Rha’ifa, Febrina Amaliya, Khairuddin Khairuddin, and I Wayan Merta. 2019. “Perbedaan Hasil Belajar IPA Biologi Menggunakan Model Reciprocal Learning Dan Problem Based Learning”. Jurnal Pijar Mipa 14 (1):107-12. https://doi.org/10.29303/jpm.v14i1.973.