Indriyani, H. and Afrom, I. 2017. Upaya Meningkatkan Hasil Belajar IPA dengan Menggunakan Model Pembelajaran Kooperatif Tipe Student Team Achievement Divisions (STAD) dan Numbered Heads Together (NHT) pada Peserta Didik Kelas IV SDN 1 Anjir Mambulau Timur: Efforts to Improve Science Learning Outcomes by Using Student Team Achievement Divisions (STAD) and Numbered Heads Together (NHT) Cooperative Learning Models in Class IV Students of SDN 1 Anjir Mambulau Timur. Tunas: Jurnal Pendidikan Guru Sekolah Dasar. 3, 1 (Dec. 2017), 45–52. DOI:https://doi.org/10.33084/tunas.v3i1.587.