[1]
Omer, E.M. 2020. THE ATA SYSTEM: ITS ORIGIN, DEVELOPMENT AND SOCIO-ECONOMIC IMPACT ON THE SOCIETY OF MEDINA DURING THE ERAS OF THE RIGHTLY GUIDED CALIPHS (11-40AH/632-661AD). Journal of Al-Tamaddun. 15, 1 (May 2020), 109–117. DOI:https://doi.org/10.22452/JAT.vol15no1.7.