A. J. Colminas, Jr., K. L. P. Yap, and L. F. Casinillo, “Assessment of extension delivery services and Knowledge, Attitudes, and Practices (KAP) of corn farmers in Camotes Islands, Philippines”, HCMCOUJS - ECONOMICS AND BUSINESS ADMINISTRATION, vol. 16, no. 1, pp. 3–24, Sep. 2025.