Pathirana, Buddhiprabha Mayakara Pihatu Thoppiya Paladayi Theerana Geneema Sandaha Upakareevana Katha Puwatha - Nugegoda Sarasavi Publishers 2015 - 88p ISBN: 9553100559 Subjects--Topical Terms: Decision makingProblem solving Dewey Class. No.: 153.43 / PAT