TY - BOOK ED - Puerto Rico. TI - Decreto mandatorio núm. 39: quinta revisión (1970) aplicable a la industria de servicios comerciales, profesionales y personales. = Mandatory decree no. 39, fifth revision (1970) applicable to the commercial, professional and personal service industry PY - 1970///- CY - Hato Rey, P. R. KW - Service industries KW - Puerto Rico KW - Local N1 - Part of text in English ER -