Vendra Oktareno Ardiansya, Minsih, Santosa Pradana Putra Setya Negara, Nanang Sri Mujiono. Increasing Critical Thinking Abilities and Skills through Problem Based Learning for Elementary School Students. buletinkkndik [Internet]. 2024 Jun. 1 [cited 2026 Feb. 27];6(1):33-46. Available from: https://journals2.ums.ac.id/buletinkkndik/article/view/11729