Winayus R, Mariani S, Sukestiyarno Y. The Ability of Problem Solving for Tenth Grade Student on Problem Based Learning About Web-Assisted from Students Independence. UJMER [Internet]. 15Jun.2020 [cited 4May2024];9(1):61-8. Available from: https://journal.unnes.ac.id/sju/ujmer/article/view/31449