Srithanee K, Ruttanatam P, Loachai S, Puchomkaeo R. The effectiveness of Ya Dok Khao (Vernonia cinerea (L.) Less.) herbal products in reducing smoking behavior of people in Ban Kham Pa-O community, Kuddon sub-district, Huai Mek district, Kalasin Province. STRJ [internet]. 2022 Jun. 29 [cited 2025 Dec. 7];5(1):29-48. available from: https://ph02.tci-thaijo.org/index.php/jstrmu/article/view/246383