Wah Tzu, Teoh, Ahmad Fauzi Mohd Noor, and Zainal Arifin Ahmad. 2002. “Formation of Barium Strontium Titanate Powder by Solid State Reaction Using Different Calcination Temperatures”. Malaysian Journal of Science 21 (December):109-11. https://samudera.um.edu.my/index.php/MJS/article/view/8867.