ATSANGO, Victor. Effects of Internal School Environment on Learners’ Academic Performance in Public Secondary Schools in Khwisero Sub-county Kenya. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 60, n. 4, p. 304–316, 2021. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/13537. Acesso em: 13 sep. 2025.