Febrianti, Dika Putri, Febrika Yogie Hermanto, Anthony Ogbolu Nnamdi, Brillian Rosy, and Nova Septiana. “Confirmatory Factor Analysis of Problem-Based Learning Instrument for Office Management and Business Service Program”. Jurnal Penelitian dan Evaluasi Pendidikan 29, no. 1 (April 26, 2025): 58–70. Accessed June 6, 2025. https://jurnal.uny.ac.id/index.php/jpep/article/view/84368.