ZAIEN, Sahar Zedan; HABBASH, Manssour. Evaluating the Effectiveness of the Enrichment Program in English using Sign Language of Deaf Students. Journal of Educational and Psychological Sciences, New Mexico, United States, v. 4, n. 21, p. 167–151, 2020. DOI: 10.26389/AJSRP.D221219. Disponível em: https://www.ajsrp.ojsexpert.com/index.php/jeps/article/view/2545. Acesso em: 21 dec. 2025.