Implementing rules and regulations of chapter XVII - " sewage collection and disposal, excreta disposal and drainage" of the code on santitation of the Philippines (P.D. 856) 

 - Manila :  DOH,  1995. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage --legislation and jurisprudence<br/>Waste Disposal, Fluid
<br/><br/><label>Subjects--Index Terms: </label>IRR