NINGRUM, Wiwid Pungki. PENERAPAN MODEL PEMBELAJARAN BERPUSAT SISWA DALAM MENGEMBANGKAN KETERAMPILAN PROSES SAINS DAN PEMECAHAN MASALAH SISWA: IMPLEMENTING OF DESIGNED STUDENT-CENTERED INSTRUCTION TO DEVELOP SCIENTIFIC PROCESS SKILL AND PROBLEM SOLVING. Orbital: Jurnal Pendidikan Kimia, [S. l.], v. 2, n. 2, p. 71–79, 2018. DOI: 10.19109/ojpk.v2i2.2608. Disponível em: https://jurnal.radenfatah.ac.id/index.php/orbital/article/view/2608.. Acesso em: 19 apr. 2025.