Farida, Camellia, Hartono Hartono, and Saiful Ridlo. “The Development of HOTS-Oriented Science Supplement Book to Improve Problem Solving Ability of Vocational School Students”. Journal of Innovative Science Education 10, no. 3 (December 6, 2021): 314-318. Accessed July 17, 2024. http://journal.unnes.ac.id/sju/jise/article/view/45313.