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Harahap, S.; Harahap, F.; Hasanah, D.; Sembiring, G. A.; Panggabean, S. K. F.; Nadhilla, A.; Suriani, C.; Edi, S.; Daulae, A. H. Development of Tissue Culture Textbook Based on Project Based-Learning to Improve Science Process Skills of Biology Department Students Universitas Negeri Medan. Bioscientist j. ilm. bosbiol. 2024, 12, 2302-2316.