Author
Japan. Nōrinshō. Nōrin Keizaikyoku. Tōkei Chōsabu
4
Nōrin Tōkei Kyōkai
4
University of Hawaii (Honolulu). Agricultural Extension Service
2
Ali Gohar Khan, Arbab
1
Andhra Pradesh (India). Dept. of Marketing
1
India. Directorate of Economics and Statistics
1
Indonesia. Kantor Statistik Propinsi Jawa Timur
1
Moeenud-Din, Syed
1