Ṭabīʿat al-ʿAmal wa-Nawʿiyyat al-Shughl

Citation

al-ʿUqqād, Muḥammad Maḥmūd. Ṭabīʿat al-ʿAmal wa-Nawʿiyyat al-Shughl. Alexandria: Jāmiʿat al-Iskandariyya, 1990.