Sushanty, Vera Rimbawani, and Ananda Liony Putra. “THE DEVELOPMENT OF A PLAYGROUND AS AN EFFORT TO REDUCE THE IMPACT OF SMARTPHONE USE ON CHILD’S MINDSET”. Community Service Journal of Indonesia 3, no. 1 (June 12, 2021): 12-14. Accessed July 3, 2024. https://ejournal-kertacendekia.id/index.php/csji/article/view/287.