“LIGNOCELLULOSE MODIFICATION AND NUTRITIONAL ENRICHMENT OF PALM OIL FRONDS: A STUDY ON OPTIMIZED PRETREATMENT AND MICROBIAL FERMENTATION FOR RUMINANT FEED: Oil Palm Frond as Feed” (2026) Mesopotamia Journal of Agriculture, 54(3), pp. 73–102. doi:10.33899/magrj.v54i3.61395.