Ho, Hsien-Jung. “DARK MATTER CAN BE REVEALED INSIDE THE EARTH BY STRING THEORY”. International Journal of Renewable Energy and Environmental Sustainability (IJREES) 9, no. 4 (October 23, 2024): 1–28. Accessed July 25, 2025. https://zapjournals.com/Journals/index.php/ijrees/article/view/2077.