สุขเสริม ประสิทธิ์, and ทัดสวน สิริวิช. “The Comparison of Electrical Energy and the Economics of T8 LED Bulbs With Spherical LED Bulbs”. SAU JOURNAL OF SCIENCE & TECHNOLOGY 7, no. 2 (September 11, 2021): 15–26. Accessed March 29, 2024. https://ph01.tci-thaijo.org/index.php/saujournalst/article/view/244914.