TY - BOOK AU - Talwar, Upmesh Kumar TI - Social work methods Laboratory SN - 9788126148660 U1 - 361.3 TAL PY - 2012/// CY - New Delhi PB - Anmol Publications Pvt.Ltd. KW - Longitudinal research KW - Social work KW - Sampling methodology KW - Research methodology KW - Sociology ER -