Khampui, Kanokorn, and Jarunee Khempila. 2024. “Improved Accuracy in Calculating Acceleration due to Earth’s Gravity using Taylor Series Expansion: A case study in Pendulum Oscillations”. Rattanakosin Journal of Science and Technology 6 (3):39-51. https://ph02.tci-thaijo.org/index.php/RJST/article/view/254092.