Nurul Hartini, Ratih Saraswaty, Endang R. Surjaningrum,. “Effectiveness of Stress Reduction Therapy to Increase Psychological Well-Being of orphanages’ Caregivers”. Opción 360 (May 5, 2020): 934-949. Accessed August 2, 2025. https://produccioncientifica.luz.edu.ve/index.php/opcion/article/view/32020.