Robertson, C. A.
Effectiveness of crop demonstrations : a study of wheat demonstrations in Aligarh district, U.P. / C. A. Robertson - Delhi : Agricultural Economics Research Centre, 1964 - Intensive Agricultural District Programme Studies No.1 .
Includes bibliographical references and index.
Agriculture & research--Crop demonstrations--India
Agricultural extension--Wheat--Aligarh District, Uttar Pradesh, India
630.7 / AERC
Effectiveness of crop demonstrations : a study of wheat demonstrations in Aligarh district, U.P. / C. A. Robertson - Delhi : Agricultural Economics Research Centre, 1964 - Intensive Agricultural District Programme Studies No.1 .
Includes bibliographical references and index.
Agriculture & research--Crop demonstrations--India
Agricultural extension--Wheat--Aligarh District, Uttar Pradesh, India
630.7 / AERC