Aisa, R. .; Kusnadi, K.; Solihat, R. . Application of Problem-Based Learning in Biotechnology Learning Contains Local Potential Jruek Drien Aceh to Improve Problem-Solving and Self-Directed Learning Skills of High School Students. jppipa, pendidikan ipa, fisika, biologi, kimia 2023, 9, 10128-10137.