Harahap, Salamah, Fauziyah Harahap, Dwi Hasanah, Gres Anjelia Sembiring, Syakilah Kurnia Fahmi Panggabean, Annisa Nadhilla, Cicik Suriani, Syahmi Edi, and Abdul Hakim Daulae. “Development of Tissue Culture Textbook Based on Project Based-Learning to Improve Science Process Skills of Biology Department Students Universitas Negeri Medan”. Bioscientist : Jurnal Ilmiah Biologi 12, no. 2 (December 18, 2024): 2302–2316. Accessed June 3, 2026. https://ojspanel.undikma.ac.id/index.php/bioscientist/article/view/13786.