Radenrara Dewi Artanti Putri, - and Widi Astuti, FT Teknik Kimia and Zuhriyan Ash Shiddieqy Bahlawan, Teknik Kimia Unnes and Maharani Kusumaningrum, Teknik Kimia Unnes and Dwi Purwanti, - (2022) Physical characteristics and nutritional value of cassava analogue rice with fortified protein tempeh and the addition of xanthan gum for healthy dieters. In: 10th Engineering International Conference.

Radenrara Dewi Artanti Putri, - and Widi Astuti, FT Teknik Kimia and Haniif Prasetiawan, - (2021) Synthesis of cassava analog rice fortified with protein tempe flour using cold extrusion method. In: The 9th Engineering International Conference.

Widi Astuti, FT Teknik Kimia (2020) Synthesis of Magnetically Separable Activated Carbon from Pineapple Crown Leaf for Zinc Ion Removal. Materials Science Forum, 1007. pp. 71-75. ISSN 1662-9752

Widi Astuti, FT Teknik Kimia (2020) Preparation of Activated Carbon from Cassava Peel by Microwave-Induced H3PO4 Activation for Naphthol Blue- Black Removal. AIP Conference Proceedings, 2243. pp. 1-5. ISSN 1551-7616

Widi Astuti, FT Teknik Kimia and M. Hidayah, - and L. Fitriana, - and M. A. Mahardhika, - and E. F Irchamsyah, - (2020) Preparation of activated carbon from cassava peel by microwave-induced H3PO4 activation for naphthol blue-black removal. In: The 8th International Conference of the Indonesian Chemical Society 2019, Bogor.

Widi Astuti, FT Teknik Kimia and Triastuti Sulistyaningsih, - and Dhidik Prastiyanto, - and Bernadetta Sisca Aprillia Purba, - and Restu Kusumawardani, - (2020) Synthesis of magnetically separable activated carbon from pineapple crown leaf for zinc ion removal. Materials Science Forum, 1007. pp. 71-75. ISSN 1662-9752

Widi Astuti, FT Teknik Kimia (2019) Methyl violet dye removal using coal fly ash (CFA) as a dual sites adsorbent. Journal of Environmental Chemical Engineering, 7 (3). pp. 1-10. ISSN 2213-3437

Widi Astuti, FT Teknik Kimia (2019) Application of kepok banana peel activated carbon prepared by conventional and microwave heating for malachite green adsorption. IOP Conference Series: Materials Science and Engineering, 625. pp. 1-5. ISSN 1757-899X

Widi Astuti, FT Teknik Kimia and Megawati, - and MA Mahardhika, - and DA Putri, - and M Rohman1, 1,2,, - and MF Sihab, - and T Sulistyaningsih, - and M Hidayah, - and L Fitriana, - and EF Irchamsyah, - (2019) Application of kepok banana peel activated carbon prepared by conventional and microwave heating for malachite green adsorption. In: 2019 The 3rd International Conference on Materials Engineering and Nano Sciences (ICMENS 2019), 26-28 March 2019, Hiroshima.

Widi Astuti, FT Teknik Kimia and Achmad Chafidz, - and Endang Tri Wahyunic, - and Agus Prasetya, - and I. Made Bendiyasa, - and Ahmed E. Abasaeede, - (2019) Methyl violet dye removal using coal fly ash (CFA) as a dual sites adsorbent. Journal of Environmental Chemical Engineering, 7 (5). ISSN 2213-3437

Widi Astuti (2019) Metode pembuatan karbon aktif dari limbah kulit pisang kepok menggunakan gelombang mikro. IDS000002863.

Widi Astuti, FT Teknik Kimia (2019) THE PROLIFERATION OF EFFECTIVE MICROORGANISM (EM) IN VINASSE AND ITS APPLICATION IN THE MANUFACTURE OF LIVESTOCK-WASTE BASED FERTILISERS. Journal of Chemical Technology and Metallurgy,, 54 (4). pp. 727-732. ISSN 1314-7471

Widi Astuti, FT Teknik Kimia and Luluk Siti Zulaechah, - and Lian Kristian, - (2019) Teak leaf-based activated carbon for phosphate removal. Jurnal Bahan Alam Terbarukan, 8 (1). ISSN 2303- 0623

Widi Astuti, FT Teknik Kimia and Triastuti Sulistyaningsih, - and Ella Kusumastuti, - and Gui Yanny Ratna Sari Thomas, - and Rizky Yogaswara Kusnadi, - (2019) Thermal conversion of pineapple crown leaf waste to magnetized activated carbon for dye removal. Bioresource Technology, 287. ISSN 0960-8524

Triastuti Sulistyaningsih, - and Nuni Widiarti, - and Widi Astuti, FT Teknik Kimia and Dewanto Harjunowibowo, - (2019) The proliferation of effective microorganism (EM) in vinasse and its application in the manufacture of livestock-waste based fertilisers. Journal of Chemical Technology and Metallurgy,, 54 (4). pp. 727-732. ISSN 1314-7471

Widi Astuti, FT Teknik Kimia (2018) Adsorpsi Menggunakan Material Berbasis Lignoselulosa. Unnes Press. ISBN 978-602-285-124-0

Widi Astuti, FT Teknik Kimia and Anggelita Dwi Handayani, - and Diah Ayu Wulandar, - (2018) Adsorpsi methyl violet oleh karbon aktif dari limbah tempurung kelapa dengan aktivator ZnCl2 menggunakan pemanasan gelombang mikro. Jurnal Rekayasa Kimia dan Lingkungan, 13 (2). ISSN 1412-5064

Widi Astuti (2018) Metode pembuatan adsorben dari abu layang batubara termodifikasi untuk pengolahan limbah cair mengandung logam berat dan zat warna kationik. IDP000050224.

Widi Astuti, FT Teknik Kimia (2017) Adsorben Berbasis Abu Layang Batu Bara. Unnes Press. ISBN 978 602 285 103 5

Widi Astuti, FT Teknik Kimia and Dwi Maziyyah Fatin, - (2017) Adsorption of methyl violet dye by thermally modified ceiba pentandra sawdust. Jurnal Bahan Alam Terbarukan, 6 (2). pp. 183-189. ISSN 2407-2370