BALAWICKREMA, Sumanasinghe
Small scale fisheries-Sri Lanka-: some descriptive facts pertaining to the karay /by Sumanasinghe Balawickrema - Colombo Marga Institute 1980 - ii, 59 p.
88065
Natural resources
338.3 / BAL
Small scale fisheries-Sri Lanka-: some descriptive facts pertaining to the karay /by Sumanasinghe Balawickrema - Colombo Marga Institute 1980 - ii, 59 p.
88065
Natural resources
338.3 / BAL