Hestyanti, Yohana Ratrin, Penny Handayani, Abriyanti Riyanti, Sylvidire Maharani, Nelson Zelig, Alyssa Abidin, Tjong Michaella, and Stephanie Anggun. “Application of Learned Optimism and Mindful Parenting for Caregivers of Putra Utama 03 Ceger Orphanage”. Journal of Innovation and Community Engagement 1, no. 1 (March 10, 2021): 33–48. Accessed April 28, 2024. https://journal.maranatha.edu/index.php/ice/article/view/3357.