De Jesus, Fhrizz, Shirley S. Pascual, Billie Jack Passion, Cecilia Franco, and Ma. Remedios Mallari. 2024. “Analyzing the Return-Benefit on the Use of Modern Agricultural Machinery by Rice Farmers in Nueva Ecija, Philippines Using Modern Portfolio Theory (MPT)”. Research on World Agricultural Economy 6 (1):338-52. https://doi.org/10.36956/rwae.v6i1.1431.