Siddiqui, M.I. Child Labour : how to investigate ? / M.I. Siddiqui. - New Delhi : Deep & Deep Publication Pvt. Ltd. 2003. - ix, 152 p. : ill. ; 23 cm. ISBN: 8176294276 Subjects--Topical Terms: Child labourPsycho-social development Dewey Class. No.: 331.31 / SID P03C