جامعة بيروت العربية
Ashour worked as a visiting professor at the University of Riyadh in 1961 for one year, the University of Algiers in 1973, the Beirut Arab University during the period from 1973 to 1975, and the Kuwait University from 1975 to 1985, and he also participated in the founding committee that planned to establish Sultan Qaboos University in Oman during the period From 1983 to 1985, and the University of Cambridge in the United Kingdom from 1985 to 1987, and during his stay there he visited a number of British universities such as the University of Oxford, the University of London and the University of Exeter, and in the latter, Abd al-Hayy Shaban invited him to visit the university and give his lectures there and to see its curricula in the study of history.