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). International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, v. 8, n. 05, p. 176–184, 2021. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/2541. Acesso em: 16 jul. 2025.