00754nam a2200193Ia 4500001000700000003000500007005001700012008004100029050001100070100003700081245009500118260001000213300002600223502005600249504003000305610007300335650003900408710011300447138322BIBL20250711062628.0891025s1985 pr a bs 0110 spa d aHD401320aCaldero Sánchez, David.2Local10aAutomotive spent oil reclamation and recycling in Puerto Ricocby David Caldero Sánchez. c1985. aix, [61] leavesbill. aThesis (M.B.A)--Catholic University of Puerto Rico. aBibliography : leave [61]27aPontificia Universidad Católica de Puerto Rico. xDissertations.2 0aPetroleum wastexRecycling.2Local2 aPontificia Universidad Católica de Puerto Rico. bEscuela Graduada de Administración de Empresas.2Local