-
1by Gooneratne, Wilbert, 1938-
Published 1977Colombo : Agrarian Research and Training Institute, 1977.55 p. : map ; 30 cm. -
2Published 1977Colombo : Agrarian Research and Training Institute, 1977.40 p. : map ; 30 cm.Other Authors: “...Gooneratne, Wilbert, 1938-...”
-
3Published 1980Colombo, Sri Lanka : Agrarian Research & Training Institute, 1980.ii, 127 p. : maps ; 30 cm.Other Authors: “...Gooneratne, Wilbert, 1938-...”
-
4by Weerakoon, Bradman, 1930-
Published 1976[Colombo] : Family Planning Communication Strategy Project, Ministry of Information & Broadcasting, Sri Lanka, 1976.47 p. ; 26 cm.Other Authors: “...Gooneratne, Wilbert, 1938-...”
-
5by Wanigaratne, R. D.
Published 1980Kuala Lumpur, Malaysia : Asian and Pacific Development Administration Centre, 1980.104 p. ; 21 cm.Other Authors: “...Gooneratne, Wilbert, 1938-...”
