Distrima E, Muttaqiin A. Initial Investigation of the Development A Science Practical Work Demonstration Video for SMP/MTs Oriented to Critical Thinking on the Human Excretory System. universe [Internet]. 26Dec.2022 [cited 5Feb.2025];3(2):153-9. Available from: http://universe.ppj.unp.ac.id/index.php/universe/article/view/306