“PENGEMBANGAN INSTRUMEN THREE TIER PADA MATERI SISTEM REPRODUKSI KELAS XI SMA NEGERI 9 LUWU UTARA”, Biogenerasi, vol. 5, no. 2, pp. 18–28, Sep. 2020, Accessed: Apr. 02, 2026. [Online]. Available: https://e-journal.my.id/biogenerasi/article/view/351