CM Simatupang, Ervina, Chairiawaty, and Anum Dahlia. “ENHANCING VOCABULARY KNOWLEDGE”. International Journal of Psychosocial Rehabilitation 24, no. 2 (April 30, 2020): 7986–7991. Accessed August 13, 2025. https://psychosocial.com/index.php/ijpr/article/view/2687.