ABUELYAMEN, S. H. THE HIJIRI CALENDAR AND ITS CONFORMANCE WITH THE GREGORAIN CALENDAR BY MATHEMATICAL CALCULATIONS: 31st May 2022; 07th February 2023; 16th February 2023; 17th February 2023. MATTER: International Journal of Science and Technology, [S. l.], v. 9, p. 01–19, 2023. DOI: 10.20319/mijst.2023.9.0119. Disponível em: https://www.grdspublishing.org/index.php/matter/article/view/1973. Acesso em: 18 apr. 2024.