Listari, Erma. “Pengaruh Model Pembelajaran Problem Based Learning Berorientasi Chemoenterpreneurship Terhadap Hasil Belajar Kimia Siswa”. Hydrogen: Jurnal Kependidikan Kimia 1, no. 2 (December 4, 2013): 100–106. Accessed August 16, 2025. https://e-journal3.undikma.ac.id/index.php/hydrogen/article/view/630.