Kwai Lin, T., L. Kin Seng, and G. Yee Ling. “Technical Improvement in DNA Preparation for Pulsed—Field Gel Electrophoresis”. Malaysian Journal of Science, vol. 22, no. 2, Aug. 2003, pp. 55-59, https://ajap.um.edu.my/index.php/MJS/article/view/8516.