[1]
C. N. Azizah, A. Surbakti, and P. Pargito, “The Development of Problem-Based Learning LKPD to Improve Students’ Critical Thinking Ability in The Fifth Grade of Primary School”, Int. J. Theory Appl. Elem. Second. Sch. Educ., vol. 4, no. 1, pp. 65–74, Apr. 2022.