Kaushal, Ritu वस्तुनिष्ठ सामान्य विज्ञान भौतिकी | Vastunishth samany vigyan bhautiki / - Delhi Gaurav Prakashan 2011 - 107p. ill. ISBN: 8181050398 Subjects--Topical Terms: Physics Dewey Class. No.: 530 / KAU-V