1.
Delawanti Chrisyarani D, Sulistyowati P. Design and validation of thematic e-modules: optimization of problem solving-based learning . J. Pendidik. Dasar Nusant [Internet]. 2022 Jan. 31 [cited 2025 Apr. 3];7(2):344-53. Available from: https://ojs.unpkediri.ac.id/index.php/pgsd/article/view/16811