Qawāʿid al-Ǧuġrafīyat al-ʿamma wa ʹtatbīqīya li-a.s-.saff al-awwal a_t-ṯānī - Ġallab@.Hakīm, Mu.hammad as-sayyid (Muʹassasā Dār at-taʹāwun li- aṭ-.taāb wa Našr, 1983)