Author
Instituto de Investigaciones Agropecuarias
2
Multidisciplinary Digital Publishing Institute
2
National Association of Colleges and Teachers of Agriculture
2
North American Colleges and Teachers of Agriculture
2
Agricultural History Society
1
Agricultural Research Council (Pakistan)
1
American Association of Teacher Educators in Agriculture
1
Bioflux Society
1
Business Monitor International Ltd
1
Cambridge University Press
1
Centre de recherches agronomiques de l'état (Gembloux, Belgium)
1
Chile. Ministerio de Agricultura
1
Česka akademie zemědělských věd
1
Česká zemědělská univerzita v Praze. Provozně ekonomická fakulta
1
Faculté des sciences agronomiques de l'Etat (Gembloux, Belgium)
1
Hunan Sheng nong ye ke xue yuan
1
Jāmiʻat Baghdād. College of Agriculture, Abu Ghraib
1
Jåami°at al-Imåaråat al-°Arabåiyah al-Muttaòhidah. Kullåiyat al-°Ulåum al-Ziråa°åiyah
1
Namık Kemal Üniversitesi. Ziraat Fakültesi
1
New York Botanical Garden
1
Rossiĭskai͡a akademii͡a selʹskokhozi͡aĭstvennykh nauk
1
Society for Economic Botany (U.S.)
1
Taylor & Francis
1
USA-China Science and Culture Media Corporation
1
United States. Agricultural Research Service
1
Universitas Brawijaya. Fakultas Pertanian
1
Universiteti Bujqësor i Tiranës
1
Univerza v Ljubljani. Biotehniška fakulteta
1
Ústav zemědělských a potravinářských informací
1
Wallace-Homestead Co
1