Planned mixed farming,

by 64747 Elazari-Volcani, Isaac Avigdor, 1880-1955., 119318 Simon, Maurice, 1874- tr., 77822 Hestrin, S., joint tr., 13432 Mekhon Ṿolḳani le-ḥeḳer ha-ḥaḳlaʾut.
Published 1938