Macgro, Filps C. ජීවිත ජයග්රහණ උපක්රම = jeewitha jayagrahana upakrama - Mulleriyawa; Wijesooriya grantha kendraya, 2004. - 413p. 21cm ISBN: 9556520218 Subjects--Topical Terms: Applied Psychology Dewey Class. No.: 158.1 / MAC