Bagus, Nurbaity, & Darsef. (2014). PENGARUH MODEL PEMBELAJARAN KOOPERATIF CONCEPTUAL UNDERSTANDING PROCEDURES (CUPs) TERHADAP HASIL BELAJAR KIMIA. Jurnal Riset Pendidikan Kimia (JRPK), 4(1), 245–250. https://doi.org/10.21009/JRPK.041.03