I. W. A. K. Y. Developing Digital Game E-Calf As Self-Directed Learning Media For The First Grade Students Of Elementary School At SD Lab Undiksha Singaraja. j. penelit. dan pengemb. pendidik. [Internet]. 2018 Dec. 19 [cited 2024 Dec. 2];2(3):285-93. Available from: https://ejournal.undiksha.ac.id/index.php/JJL/article/view/16287