Title: Aʻmāl al-muʼtamar al-ʻilmī al-thālith ḥawla al-taḥawwulāt fī al-mujtamaʻ al-ʻUmānī al-ḥadīth wa-al-muʻāṣir
Subjects: Congresses, Social conditions, Economic conditions
Places: Oman
Time periods: 20th century