Abhayasinghe, K.R. අකුණු සහ ගිගුරුම් = vidyuthaya akunu saha gigurum - Menikdiwela: Author, 1988. - 61p.; 21cm ISBN: 955-95177-0-8 Subjects--Topical Terms: ElectrostaticsBio -Sciences Dewey Class. No.: 537.2 / ABH