Prafnesia, Novia Laudiyah, Irdam Idrus, and Dewi Jumiarni. 2025. “Design of Instructional Materials With the Cooperative Learning Model Numbered Heads Together (NHT) for Junior High School”. Biological Sciences and Pedagogy Journal 1 (1):16-25. https://doi.org/10.61142/biosped.v1i1.236.