Halawa, K. K., & Gulo, H. (2023). Development of Flashcard Learning Materials for the Excretory System Curriculum for 8th Grade Students at SMP Negeri 3 Lolofitu Moi Academic Year 2020/2021 . GEN BIONIX: Jurnal Ilmiah Pendidikan Biologi, 1(2), 71–78. https://doi.org/10.56207/gb.v1i2.770