Br Mangunsong, M.S. et al. 2026. DEVELOPMENT OF A PLANT TISSUE CULTURE TEXTBOOK BASED ON PROJECT-BASED LEARNING TO ENHANCE THE SCIENCE PROCESS SKILLS OF BIOLOGY STUDENTS. SOSIOEDUKASI : JURNAL ILMIAH ILMU PENDIDIKAN DAN SOSIAL. 15, 2 (May 2026), 796–807. DOI:https://doi.org/10.36526/sosioedukasi.v15i2.8070.