1.
Karnadi K, Istiyani D. Exploring Motivation and Challenges: Online Professional Teacher Education (PPG) for Pre-Elderly Students in Indonesia . ijsl [Internet]. 2024 Dec. 24 [cited 2025 Apr. 19];5(1):106-22. Available from: https://ijsl.pubmedia.id/index.php/ijsl/article/view/302