Agriculture, forestry, and fishing, value added (% of GDP) - Ethiopia - World Bank：https://data.worldbank.org/indicator/NV.AGR.TOTL.ZS?locations=ET
Employment in agriculture (% of total employment) (modeled ILO estimate) - Ethiopia - World Bank：https://data.worldbank.org/indicator/SL.AGR.EMPL.ZS?locations=ET
Ethiopian Institute of Agricultural Research (EIAR) - FAO：https://www.fao.org/agris/data-provider/ethiopian-institute-agricultural-research
コーヒー取引
ICO/CFC STUDY OF MARKETING AND TRADING POLICIES AND SYSTEMS IN SELECTED COFFEE PRODUCING COUNTRIES - COUNTRY PROFILE ETHIOPIA：http://dev.ico.org/projects/countryprofiles/countryprofileETHIOPIAe.pdf
Overview the History of Coffee Trading System in Southwest
Ethiopia (Jimma) Since 1950s - Fekede Sileshi Fufa, Ketebo Abdiyo(PhD)：https://scispace.com/pdf/overview-the-history-of-coffee-trading-system-in-southwest-1eb8kgsesd.pdf
エチオピア南西部におけるコーヒーの栽培・流通・消費に関する歴史人類学的研究 - 石原 美奈子（南山大学・人文学部） 吉田 早悠里（名古屋大学・人文学部）：https://www.tasc.or.jp/assist/archives/2024/pdf/2024_01A.pdf