-, Mujiyono, Nugroho, E. N., and Rahayu, E. S. 1. “KEEFEKTIFAN MODEL PEMBELAJARAN KOOPERATIF TIPE NUMBERED HEADS TOGETHER BERMEDIA WORD SQUARE PADA MATERI PESAWAT SEDERHANA”. Journal of Primary Education 2 (1). https://doi.org/10.15294/jpe.v2i1.1248.