TY - BOOK AU - Chanda,S.C., AU - Nag,N.K., TI - Commercial arithmatic and elements of statistics SN - 81-272-2700-5 U1 - 513 PY - 2006/// CY - Ludhiana PB - Kalyani publishers KW - Arithmetic KW - Commercial arithmatic and elements of statistics KW - Commerce ER -