Azmi Muda, Mohd., Halijah Ibrahim, and Norzulaani Khalid. 2004. “DIFFERENTIATION OF THREE VARIETIES OF ZINGIBER OFFICINALE ROSC. BY RAPD FINGERPRINTING”. Malaysian Journal of Science 23 (2):135-39. https://ajap.um.edu.my/index.php/MJS/article/view/8446.