Astuti Widodo R, Lisdiana L, Nuswowati M. Development of Teaching Materials Based on Discovery Learning on Science Lessons With Adictive and Psychotropic Themes in Middle School. JISE [Internet]. 9Dec.2019 [cited 19May2024];8(3):349 -357. Available from: http://journal.unnes.ac.id/sju/jise/article/view/31079