Ichsan IZ, Pertiwi S, Hermawan Y. HOTS about Environment and Designing Science Serial Books for Digital Learning in Elementary School. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2022 Oct. 31 [cited 2024 Apr. 17];8(4):2084-9. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/2153