TY - BOOK AU - GOGNA (P P S) TI - Common proficiency test: mercantile laws SN - 8121928605 U1 - 346.07 GOGC PY - 2012/// CY - New Delhi PB - S. Chand & Co. Ltd. KW - test KW - proficiency KW - mercantile KW - laws KW - Common ER -