Purwanto. APPLICATION OF MODEL-BASED LEARNING PROBLEMS IN 2013 ON THE SUBJECT CURRICULUM PANCASILA AND CITIZENSHIP EDUCATION AS AN EFFORT TO FORM A DEMOCRATIC ATTITUDE OF STUDENTS (Study at SMAN 1 BILATO). Int. j. innov. eng. res. technol. [Internet]. 2021 May 22 [cited 2025 Jul. 16];8(05):176-84. Available from: https://repo.ijiert.org/index.php/ijiert/article/view/2541