Mungkur AQR, Lubis AR, Harahap NH, Aminah S, Lutfhi M, Marpaung ZE, Ketaren YK. Praktik Pengenalan Lapangan terhadap Observasi Fisik di RA Al-Fajar Kec. Medan Denai Kab. Deli Serdang. EJPM [Internet]. 2024 Jan. 12 [cited 2026 May 31];4(2):242–247 . Available from: https://journal-laaroiba.com/ojs/index.php/elmujtama/article/view/807