FORECASTING OIL PRODUCTION USING SSA AND TREND REGRESSION IN THE WORLD’S TOP THREE OIL PRODUCERS - Saherti, Ega; Imtiyaz, Salwa Azzah; Darmawan, Gumgum; Ruchjana, Budi Nurani (BAREKENG: Jurnal Ilmu Matematika dan Terapan, 2026)