Maramba, Felix D., Sr. <br/><br/>
Biogas and waste recycling 
/ Felix D. Maramba, Sr.; contributing authors, Enrico D. Obias ... [et al.] 
 - Manila :  Liberty Flour Mills,  c1978 
 - xx, 230 p. :  ill. 
<br/><br/>Includes glossary (p. 218- 222) and bibliographical references (223- 226). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Recycling<br/>Refuse and refuse disposal<br/>Waste products<br/>Pollution control industry