KUTA, J. I. J.; YUSUF, O. O.; RAYMOND, E. Assessment of Task, Activities and Working Materials Used in Non-Formal Training of Solar and Satellite System Installation in Niger State. Journal of Sustainability and Environmental Management, [S. l.], v. 1, n. 2, p. 247–256, 2022. DOI: 10.3126/josem.v1i2.45376. Disponível em: https://nepjol.info/index.php/josem/article/view/45376. Acesso em: 30 sep. 2022.