Farida C, Hartono H, Ridlo S. The Development of HOTS-Oriented Science Supplement Book to Improve Problem Solving Ability of Vocational School Students. JISE [Internet]. 6Dec.2021 [cited 6Dec.2025];10(3):314-8. Available from: https://journal.unnes.ac.id/sju/jise/article/view/45313