Hewavitharane, H.V.C.Weerahewa, J.Warnakulasooriya, H.U.2014-11-122014-11-122010Tropical Agricultural Research, 22(1):p.107-112https://dl.nsf.gov.lk/handle/1/12399AgricultureBig onionSeed productionImported seedsProduction functionFinancial viabilityCost benefit analysisAn assessment of financial viability of big onion seed production in Matale districtA