(1)
Yulanda, V.; Hamidah, A. .; Anggereini, E. . Development of Electronic Student Worksheets (E-LKPD) Based on Problem Based Learning As an Effort to Improve Critical Thinking of Grade VIII Middle School Students on Respiratory System Material. jppipa, pendidikan ipa, fisika, biologi, kimia 2023, 9, 7326-7332.