Ariyudha, Donny, et al. “Analysis of Financial Planning and Investment Feasibility in Used Cooking Oil Export Companies (Case Study: PT. Biofuel Unggul Lestari)”. Indonesian Journal of Innovation Multidisipliner Research, vol. 4, no. 3, Sept. 2026, pp. 16024-30, doi:10.69693/ijim.v4i3.2741.