Zulkefli, Nur Aina Syafiqa, and Maria Elena Nor. “PETRONAS’s Stock Price Forecasting: An Application of Neural Network Model”. Enhanced Knowledge in Sciences and Technology 1, no. 2 (July 29, 2021): 22–29. Accessed January 28, 2023. https://publisher.uthm.edu.my/periodicals/index.php/ekst/article/view/2089.