Rasha Saad, Lee Wai, Norfazrin Hanif, Eddy Yusuf and Fadli Asmani (2014) “Comparative studies of Zingiber officinale leaves and rhizomes on the antibacterial effect”, IJPAR JOURNAL, 3(3), pp. 262–268. doi: 10.61096/ijpar.v3.iss3.2014.262-268.