MP4 : Prof. Dr. Enrique S. Pumar, Associate Professor and Chair of the Department of Sociology, The Catholic University of AmericaFLV : Prof. Dr. Enrique S. Pumar, Associate Professor and Chair of the Department of Sociology, The Catholic University of AmericaMP4 FOR IPOD (edge) : Prof. Dr. Enrique S. Pumar, Associate Professor and Chair of the Department of Sociology, The Catholic University of AmericaMP3 : Prof. Dr. Enrique S. Pumar, Associate Professor and Chair of the Department of Sociology, The Catholic University of America