“The Factors Influencing Consumer Attitudes Towards Brand Extension: A Case Study of Engine Oil Lubricants”. Borneo Engineering & Advanced Multidisciplinary International Journal 2, no. Special Issue (TECHON 2023) (September 29, 2023): 180–186. Accessed January 9, 2025. https://beam.pmu.edu.my/index.php/beam/article/view/128.