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. 

 - Hato Rey, P. R.  1970- 
 - v.  tables. 
<br/><br/> Part of text in English. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Service industries--Puerto Rico.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico