Dony Novaliendry, M. Fadilah Putra Pratama, Khairi Budayawan, Yasdinul Huda, Wan Mohd Yusof Rahiman. Design and Development of Sign Language Learning Application for Special Needs Students Based on Android Using Flutter. Int. J. Onl. Eng. [Internet]. 2023 Nov. 15 [cited 2024 Jun. 30];19(16):pp. 76-92. Available from: https://online-journals.org/index.php/i-joe/article/view/44669