Selviana, Eka Zuni, Henni Endah Wahanani, and Firza Prima Aditiawan. “Black Box Testing in Community Service Systems Using Boundary Value Analysis and Cause Effect Graph Methods (Case Study of Jombang District Community and Village Empowerment Service)”. East Asian Journal of Multidisciplinary Research 2, no. 10 (October 25, 2023): 4161–4184. Accessed May 15, 2026. https://journal.formosapublisher.org/index.php/eajmr/article/view/6435.