ABDURRAHMAN, M. .; GAMBO, J. .; SHITU, I. G. .; YUSUF, Y. A.; DAHIRU, Z. .; IDRIS, A. M. .; ISAH, A. A. . Solar Elevation Angle and Solar Culmination Determination using Celestial Observation; A Case Study Of Hadejia Jigawa State, Nigeria. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE, [S. l.], v. 5, n. 9, p. 08–17, 2019. DOI: 10.31695/IJASRE.2019.33482. Disponível em: https://ijasre.net/index.php/ijasre/article/view/442. Acesso em: 3 may. 2024.