COMPARISON OF FRUIT FLY OPTIMIZATION ALGORITHM (FOA) AND PARTICLE SWARM OPTIMIZATION (PSO) FOR SUPPORT VECTOR REGRESSION (SVR) IN UNITED TRACTORS STOCK PRICES FORECASTING - Wibowo, Belva Hadaya; Utami, Iut Tri; Rochayani, Masithoh Yessi (BAREKENG: Jurnal Ilmu Matematika dan Terapan, 2026)