LARGO, Francis Eric C; 						ALAMA, Eduardo Z.
 EFFICIENCY AND ECONOMICS OF CONCRETE-PLASTIC-DRUM BIOGAS DIGESTER AS LOADED WITH DIFFERENT COMBINATION OF SUBSTRATES.
<strong>Journal of Agriculture and Technology Management</strong>, [S.l.], feb. 2018.
ISSN 2599-4980.
Available at: &lt;<a href="http://jatm.ctu.edu.ph/index.php/ttj/article/view/90" target="_new">http://jatm.ctu.edu.ph/index.php/ttj/article/view/90</a>&gt;. Date accessed: 20 may 2026.