Rachman, Julia Visca Elfira, and Saino Saino. “Pengembangan Modul Ajar Berbasis Project Based Learning Melalui Aplikasi Flipbook Pada Mata Pelajaran Dasar-Dasar Pemasaran Elemen 9 Kepuasan Pelanggan”. ANTHOR: Education and Learning Journal 5, no. 3 (June 10, 2026): 690–699. Accessed October 17, 2026. https://anthor.org/anthor/article/view/565.