Yazar
d l narayana
7 cilt bulundu.
D. L. Narayana · Directorate of Economics and Statistics, Ministry of Agriculture, Govt. of India
160 sayfa · 1973
Agriculture / Economic aspects of Agriculture / Economic aspects
D. L. Narayana · Sri Venkateswara University
119 sayfa · 1977
Economic aspects of Farm mechanization / Economic aspects of Farm tractors / Farm mechanization / Farm tractors
D. L. Narayana · Published for Indian Institute of Asian Studies [by] Asian Studies Press
120 sayfa · 1966
Agricultural extension work / Agriculture / Agriculture and state / Economic aspects of Agriculture / Farm management
D. L. Narayana · Regional Planning Forum Executive, Sri Venkateswara University
234 sayfa · 1970
Rural conditions / Villages
D. L. Narayana · Madurai University
126 sayfa · 1970
Economic development / International Labour Organisation / Manpower policy