De Silva, J.2010-07-062010-07-061993Sri Lanka Journal of Social Sciences, 16(1 and 2):p.35-45https://dl.nsf.gov.lk/handle/1/5113Sustainable developmentTourist industryCoral miningSand miningCoastal vegetationAqua prawn culture projectsSocial Sciencesgeographers'perspective of sustainable developmentArticle