Kausarian, Husnul, Mursyidah Umar, & Sugeng Wiyono.
" Silica Sand Potency of Bukit Pelintung as Base Material of Solar Cell." <em>Journal of Ocean, Mechanical and Aerospace -science and engineering-</em> [Online], 2.1 (2013): 20-24. Web.  3 Oct. 2025