Abeykoon, A.T.P.L.2010-07-062010-07-061993Sri Lanka Journal of Social Sciences, 16(1 and 2):p.57-64https://dl.nsf.gov.lk/handle/1/5009Sustainable developmentPopulation growth trendsLabour forceFirewood usageSocial SciencesPopulation,environment and sustainable developmentArticle