Sushil Thrivedi Children's Gyan Vigyan Encyclopaedia: Jeevan Jagath KI Sair - Bharat Prakashan 2011 - 240 ISBN: 8190215108 Subjects--Topical Terms: Nighandukkal, Year Bookukal, Vijnana Koshangal, Shabdavalikal Dewey Class. No.: HJ SUS