Muhjidin, D. and Sukmono, T. 2021. Forecasting Needs Of Mountain Types Of DDD Bike Using The Seasonal Autoregressive Integrated Moving Average Model Approach : Peramalan Kebutuhan Sepeda DDD Jenis Gunung Dengan Pendekatan Model Seasonal Autoregressive Integrated Moving Average. Procedia of Engineering and Life Science. 1, 2 (Jul. 2021). DOI:https://doi.org/10.21070/pels.v1i2.1002.