Dahanayaka, Somapriya ජාලකරණ බලය = jaalakaraNa balaya: maanava sanvarDHanayata praveeSHayak - Colombo: Godage, 2015. - 79p.; 24 cm ISBN: 955-20-8790-0 Subjects--Topical Terms: Systam theory Dewey Class. No.: 658.4032 / DAH