1. Investopedia, “Definition of Autoregressive Integrated Moving Average - ARIMA”, (https://www.investopedia.com/terms/a/autoregressive-integrated-moving-average-arima.asp).
2. Evaluating Forecast Accuracy. (https://www.otexts.org/sites/default/files/fpp/25%20Evaluating%20forecast%20accuracy.pdf).
3. ARIMA MODEL BUILDING AND FORECASTING ON IMPORTS AND EXPORTS OF PAKISTAN
4. Import Data of Philippines, “Philippines Customs Data and Trade Statistics”, (https://www.exportgenius.in/export-import-trade-data/philippinesimport.php?gclid=Cj0KCQjwl7nYBRCwARIsAL7O7dGy2uBcJACVPqhSlXC0Ha6LNdCRssV9doR8WBmmL5sJ2Hwfc1WfMaAlubEALwwcB)
5. Modelling and Prognosis of the Export of the Republic of Serbia by Using Seasonal Holt-Winters and Arima Method