Rahardjo, Arlinah Imam. “USING PCU-CAMEL, A WEB-BASED LEARNING ENVIRONMENT, IN EVALUATING TEACHING-LEARNING PROCESS”. Jurnal Informatika 9, no. 1 (January 20, 2009): 51-56. Accessed April 20, 2024. https://jurnalinformatika.petra.ac.id/index.php/inf/article/view/16895.