A preliminary study on khat with the institutional history of coffee as a beverage in relation to khat

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Описание
World Health Organization, Regional Office for the Eastern Mediterranean. (1961). A preliminary study on khat with the institutional history of coffee as a beverage in relation to khat. http://www.who.int/iris/handle/10665/120838
Описание
Various Pagination ; 30 cm.Gov't Doc #
EM/RC11/10EM/MENT/29/4