00317nam a22001097a 450000500170000000800410001702000180005808200140007624500630009026000430015330000110019620260424053015.0260424b        |||||||| |||| 00| 0 eng d  a9789550584369  a380b BUS  aG.C.E. (A/L) Business Studies :bAnswers with Explanations  aColombo :bAstan  Publications,c2017.  a450 p.