00287nam a2200121Ia 4500008004100000082000800041082001000049100001900059245003600078260001400114260002800128260000900156230118s9999||||xx |||||||||||||| ||und||  a910  bNAM/O  am.c.kbnambiar 0aoutline of commercial geography  acannanore  bkamlalayam publications  c1982