Modern agricultural management : A systems approach to farming. Ed 2 - Donald D. Osburn; Kenneth C. Schneeberger (Virginia Reston Publishing Company Inc, 1983)
Donald D. Osburn & Kenneth C. Schneeberger: Modern agricultural management : A systems approach to farming. Ed 2. (2nd Ed) Virginia. Reston Publishing Company Inc, 1983. 0-8359-4550-2--(658.963OSB)
ENGLISH