Rao, Indumati Learning science: universe, solar system, earth/ Indumati Rao & C.N.R Rao - New Delhi: National Book Trust, 2006. - 84 p. ; 18 cm. - (Creative Learning Series) . ISBN: 97881237743 Subjects--Topical Terms: Solar SystemEarth Dewey Class. No.: 500 / RAO/L