Drivedi,Sudhaker Hindi : Astitva ki talash / Sudhaker Drivedi - नई दिल्ली : राधाकृष्ण प्रकाशन , 1982 - 352 p. : 21 cm. Subjects--Topical Terms: Hindi language.--National language--Official language-- Development Dewey Class. No.: 491.4309 D8335 Hi