Rosyadi, A.M. and Gazali, F. 2019. EFEKTIVITAS MODUL SISTEM KOLOID BERORIENTASI CHEMO-ENTREPRENEURSHIP (CEP) TERHADAP HASIL BELAJAR SISWA KELAS XI DI SMA NEGERI 12 PADANG. Ranah Research : Journal of Multidisciplinary Research and Development. 1, 4 (Aug. 2019), 975-981.