P J SIVAKUMAR
IMPACT OF AFRICULTURAL RESEARCH STATIONS AND FARMS ON THE CULTIVATION OF CROPS BY THE FARMERS OF THE SURROUNDING AREA - MSc - COLLEGE OF AGRICULTURE VELLAYANI DEPARTMENT OF AGRICULTURAL EXTENSION 1983
J9(T:3) N83 SI 23
IMPACT OF AFRICULTURAL RESEARCH STATIONS AND FARMS ON THE CULTIVATION OF CROPS BY THE FARMERS OF THE SURROUNDING AREA - MSc - COLLEGE OF AGRICULTURE VELLAYANI DEPARTMENT OF AGRICULTURAL EXTENSION 1983
J9(T:3) N83 SI 23