Lase, D., Sitorus, N., Sriyanto, W., & Dian Aprilyani Azir, I. (2024). Designing Android-based Application ``Virtual English for Professional Business Graphic Designer (VIRPROGD)’’ for Virtual English Learning. KnE Engineering, 6(1), 260–273. https://doi.org/10.18502/keg.v6i1.15374