Nazilatus Sa’idah, Esti Wulandari, Djoko Laksono and Sigit Purwanto (2025) “PREDICTIONS OF RAINFALL DATA TO KNOW THE CONTENTS OF RESERVOIR USING THE HOLT-WINTERS EXPONENTIAL SMOOTHING MULTIPLICATIVE MODEL METHOD”, Journal of Innovation Research and Knowledge, 4(9), pp. 6231–6242. doi: 10.53625/jirk.v4i9.9703.