Sumbayak, Mika Canthika Amelia, et al. “Development of Human Excretory System Module Based on Problem Based Learning to Improve Student Learning Outcomes in Class XI Science”. Bioscientist : Jurnal Ilmiah Biologi, vol. 13, no. 2, June 2025, pp. 1541-53, doi:10.33394/bioscientist.v13i2.15515.