1972 hā 1978 Śrī Laṅkā janaraja ānḍu krama vyavasthā yaṭatē mătivaraṇa krama

by Ē. Pī. Vilbaṭ Amarasiṃha

ISBN: 978-955-20-0432-2

ISBN-10: 955-20-0432-2