Thawornrungroj, Suwalee, 		Kuphasuk, Yosvimol, 		Petmitr, Songsak, 		Srisatjaluk, Ratchapin, AND 		Kitkumthorn, Nakarin.
" The Application of Andrographis Paniculata Gel as an Adjunct in The Treatment of Chronic Periodontitis : Clinical and Microbiological Effects" <em>Naresuan University Journal: Science and Technology (NUJST)</em> [Online], Volume 19 Number 2 (29 October 2014)