Purba, Harja Santana, Ati Sukmawati, Nuruddin Wiranda, Yuni Suryaningsih, and Rizaldi Aprilian. “Developing Wetland Contextual Interactive Learning Media on Numbers Using Drill and Practice Method”. Mathematics Education Journal 16, no. 1 (October 14, 2024): 45–56. Accessed April 18, 2025. https://jpm.ejournal.unsri.ac.id/index.php/jpm/article/view/160.