Rani Pratiwi, Solly Aryza, and Amani Darma Tarigan. “The Performance Testing Analysis Of Electric Wheelchair Batteries Under Various Operational Conditions”. Jurnal Scientia, Vol. 13, no. 04, Oct. 2024, pp. 1432-4, http://seaninstitute.org/infor/index.php/pendidikan/article/view/2627.