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1ανά Gunawardana, A. M. T.### CRL customization ### ?> ### Add publisher and desc details ### ?>
Έκδοση 1980Colombo : Agrarian Research and Training Institute, 1980.83 p. ; 30 cm. -
2ανά Gunawardana, A. M. T.### CRL customization ### ?> ### Add publisher and desc details ### ?>
Έκδοση 1981Colombo, Sri Lanka : Agrarian Research and Training Institute, 1981.47 p. ; 29 cm. -
3ανά Wijayaratne, C. M.### CRL customization ### ?> ### Add publisher and desc details ### ?>
Έκδοση 1978Colombo : Agrarian Research & Training Institute, 1978.73 p. ; 30 cm.Άλλοι συγγραφείς: “...Gunawardana, A. M. T....”