GAMAGE, Sumith; WEERAKOON, Tharika; KOKILA, Sampath. Case Study: A Mobile ERP to Handle Multiple Sand Mining Sites (Welithota App). International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 50, n. 2, p. 33–42, 2020. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/10923. Acesso em: 8 oct. 2025.