Long, Đinh, 		Tú, Trần, 		Hòa, Hoàng, 		Chi, Trần, 		Huyền, Phạm, AND 		Thu, Nguyễn.
" Clonal propagation of vietnamese orthosiphon stamineus benth. accession containing high content of sinensetin using plant tissue culture technique" <em>VNU Journal of Science: Natural Sciences and Technology</em> [Online], Volume 22 Number 2 (15 June 2006)