Indriyani, Yuni, and Aas Saraswati. “Pre School of School Children Development in Bandung District, West Java Province”. International Journal of Community Service Learning 2, no. 4 (December 10, 2018): 291–296. Accessed April 26, 2024. https://ejournal.undiksha.ac.id/index.php/IJCSL/article/view/16251.