Ahn Pong-Sul Trade union as a social institution of change Korea Ahn Pong-Sul - Delhi Manak Publications Pvt. Ltd. 2004 - xiv,344p cm. - KEL . ISBN: 9788178270760 950.00 Standard No.: 39,447 Source: BW/614/2011-12, 03/10/2011, Bookwell Textual Subjects--Topical Terms: KEL Dewey Class. No.: X:97D.495, P4