00565nam a2200181Ia 450000100070000000500170000700800410002402000150006504000190008010000390009924500730013826000350021130000250024665000190027165000490029065000230033965000210036224873720180413140712.0011023e2000 pr a gr 1 0 spa a0970201109 aPUCPR MAYAGUEZ1 aPérez Figueroa, Silverio,2Local10aMás humortivaciónbpara el camino del éxitocSilverio Pérez. aGuaynabo, PRbDCT, Inc.c2000. a181 p.bill.c19 cm. 0aSuccess2Local00aWit and HumorxPsychological aspects.2Local 0aSelf-esteem2Local 0aAnecdotes2Local