Qat Expenditures in Yemen and Djibouti: An Empirical Analysis
نویسندگان
چکیده
منابع مشابه
Qat Habit in Yemen Society: A Causative Factor for Oral Periodontal Diseases
The effect of a common habit among Yemeni population on the periodontal status was investigated. This cross-sectional study was done on 2500 Yemenis with mean age 27.01 years (1818 males and 682 females). Among these 1528 were qat chewers and 972 were non-chewers. Detailed questionnaire and pre-designed scoring system for the periodontal status were employed for each case. Study results indicat...
متن کاملthe stady and analysis of rice agroclimatology in lenjan
the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...
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ژورنال
عنوان ژورنال: Journal of African Economies
سال: 2008
ISSN: 0963-8024,1464-3723
DOI: 10.1093/jae/ejn006