Chambers, Dennis, 1877-1951. Key to personal effectiveness :, Writing to get action/ - 15th ed., rev. and enl. - New Delhi., Pentagon press, 2001. - 95 p.; col. front. 21 cm. Rs. 2900/- (Set of seven vollumes) - Vol. 5 . ISBN: 8174390456 LCCN: 24002447 Subjects--Topical Terms: self development. LC Class. No.: SB411 / .P9 1923a Dewey Class. No.: 653.314 / 2001