Jasmon, Abadan, Ming Ming Lai, Abdul Aziz Ahamad, and Nik Mohamad Zaki Nik Salleh. 2019. “Difficulties in Conducting Short Horizon Event Studies: Call for Further Research”. American Scientific Research Journal for Engineering, Technology, and Sciences 60 (1):133-48. https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/5138.