Peale, Norman Vincent ආනන්දනීය ජීවිතයකට S = Anandaniya jivithayakata - Mulleriyawa: Wijesuriya Grantha Kendraya. 2003, - xx, 406p. 21cm ISBN: 955-652-118-8 Subjects--Topical Terms: Human KindPositive Mind Dewey Class. No.: 128.2 / PEA