https www researchgate net profile muhammad othman14 publication 336254074 almstlhat almranyt walmmaryt fy msadr fqh almran alabady hty nhayt alqrn 6 h 12 m links 5d9735e2458515c1d393c0b2 almstlhat almranyt walmmaryt fy msadr fqh almran alabady hty nhayt alqrn 6 h 12 m pdf