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کشف منابع

Paul K. Conkin

کتاب‌ها

2 نتیجه

Cover of The State of the Earth: Environmental Challenges on the Road To 2100 (2006)(en)(308s)

English Intermediate

The State of the Earth: Environmental Challenges on the Road To 2100 (2006)(en)(308s)

Paul K. Conkin

2006 مشاهدهٔ کتاب

Cover of A Revolution Down on the Farm: The Transformation of American Agriculture since 1929 (None)

English Intermediate

A Revolution Down on the Farm: The Transformation of American Agriculture since 1929 (None)

Paul K. Conkin

2008 مشاهدهٔ کتاب