00683nam a2200205Ia 4500001000700000003000500007005001700012008004100029020001500070035002000085040001300105050002600118100003300144245013000177260003700307300001700344650003200361650005000393700003400443244056BIBL20160527184701.0870618s1980    sp            000 0 spa d  a843590234X  a(OCoLC)15994404  aNPLcNPL00aHF5693.57b.C355 19802 aCalleja Medel, Gilda.2Local10aCómo dominar la aritmética comercial en 90 díasbcurso acelerado de oficinacGilda Calleja Medel, Carlos Tirado Zabala.  aMadridbEditorial Playorcc1980.  a232 p.bill. 0aBusiness mathematics2Local 0aMathematicsxProblems, exercises, etc.2Local20aTirado Zabala, Carlos.2Local