Namthip Nunant และ Orawon Chailapakul. (2011) Method development for determination of ferulic acid by lab-on-paper. Chulalongkorn University:ม.ป.ท.Namthip Nunant และ Orawon Chailapakul. 2011. Method development for determination of ferulic acid by lab-on-paper. ม.ป.ท.:Chulalongkorn University;Namthip Nunant และ Orawon Chailapakul. Method development for determination of ferulic acid by lab-on-paper. ม.ป.ท.:Chulalongkorn University, 2011. Print.