Ikram, Syafrizal, Wasifah Hanim, and Sugiartiningsih. “Effects of Growth & Learning and Internal Business Processes on Financial Performance (Survey of Regional Water Company (PDAM) in Java)”. International Journal of Psychosocial Rehabilitation 24, no. 2 (April 30, 2020): 3255–3262. Accessed June 10, 2025. https://www.psychosocial.com/index.php/ijpr/article/view/2031.