Zebua, F., Fairus, F. and Amelia, A. (2024) “APPLICATION OF CAUSAL FORECASTING METHOD TO FORECAST SHALLOT PRODUCTION IN NORTH SUMATRA PROVINCE”, BAREKENG: Jurnal Ilmu Matematika dan Terapan, 18(2), pp. 0667-0680. doi: 10.30598/barekengvol18iss2pp0667-0680.