A.P, D. G. ., Zainal, R. F. . and Hidayat, M. M. . (2017) “Forecasting for Book Classified on A Library by Using Single Exponential Smoothing (case Study : Library of Bhayangkara Surabaya University)”, JEECS (Journal of Electrical Engineering and Computer Sciences), 2(2), pp. 271–280. doi: 10.54732/jeecs.v2i2.152.