Strategic extension campaign : a participatory-oriented method of agricultural extension /

by Adhikarya, Ronny.
Published 1994

Asas-asas komunikasi antara manusia : suatu adaptasi dan terjemahan dari karya asal D. Lawrence Kincaid dengan Wilbur Schramm /

by Adhikarya, Ronny.
Published 1976

Broadcasting in Peninsular Malaysia /

Published 1977