Cepi, Kurniawan (2020) KAJIAN FOTOSTABILITAS SENYAWA KURKUMINDENGAN PENAMBAHAN ION LOGAM Cu2+ PADA IRRADIASI SINAR UV. Al-Kimiya: Jurnal Ilmu Kimia & Terapan, 7 (2). pp. 55-61. ISSN 2407-1927

Cepi, Kurniawan (2020) Efforts to Increase Mathematical Logical Intelligence Through Development of Student Worksheets Based on Problem Based Learning. Journal of Innovative Science Education, 9 (3). pp. 335-351. ISSN 2502-4523

Cepi, Kurniawan (2020) Preliminary Study of the Entrepreneurial Spirit of High School Students in Scientific Chemistry Learning with a Scientific Approach. Journal of Innovative Science Education, 9 (3). pp. 342-348. ISSN p-ISSN 2252-6412 e-ISSN 2502-4523