@book{al-Hamdani1985, author="Abdulhadi H. al-Hamdani", title="The economic importance of tourism in Yemen", year="1985", booktitle="Economy, Society and Culture in Contemporary Yemen", editor="B.R. Pridham", publisher="Croom Helm", address="London", pages="226-39", keyword0="PDRY", keyword1="Tourism", type="chapter" }