Nur, S., I. P. Pujiastuti, and S. R. Rahman. “Efektivitas Model Problem Based Learning (Pbl) Terhadap Hasil Belajar Mahasiswa Prodi Pendidikan Biologi Universitas Sulawesi Barat”. SAINTIFIK, Vol. 2, no. 2, July 2016, pp. 133-41, doi:10.31605/saintifik.v2i2.105.