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1Bằng Gooneratne, Wilbert, 1938-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Được phát hành 1977Colombo : Agrarian Research and Training Institute, 1977.55 p. : map ; 30 cm. -
2Được phát hành 1977### CRL customization ### ?> ### Add publisher and desc details ### ?>Colombo : Agrarian Research and Training Institute, 1977.40 p. : map ; 30 cm.Tác giả khác: “...Gooneratne, Wilbert, 1938-...”
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3Được phát hành 1980### CRL customization ### ?> ### Add publisher and desc details ### ?>Colombo, Sri Lanka : Agrarian Research & Training Institute, 1980.ii, 127 p. : maps ; 30 cm.Tác giả khác: “...Gooneratne, Wilbert, 1938-...”
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4Bằng Weerakoon, Bradman, 1930-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Được phát hành 1976[Colombo] : Family Planning Communication Strategy Project, Ministry of Information & Broadcasting, Sri Lanka, 1976.47 p. ; 26 cm.Tác giả khác: “...Gooneratne, Wilbert, 1938-...”
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5Bằng Wanigaratne, R. D.### CRL customization ### ?> ### Add publisher and desc details ### ?>
Được phát hành 1980Kuala Lumpur, Malaysia : Asian and Pacific Development Administration Centre, 1980.104 p. ; 21 cm.Tác giả khác: “...Gooneratne, Wilbert, 1938-...”