Phuong และ Do Thi. (1994) Factors effecting the use of traditional medicine and western medicine in Prachinburi 1994. Mahidol University,:ม.ป.ท.Phuong และ Do Thi. 1994. Factors effecting the use of traditional medicine and western medicine in Prachinburi 1994. ม.ป.ท.:Mahidol University,;Phuong และ Do Thi. Factors effecting the use of traditional medicine and western medicine in Prachinburi 1994. ม.ป.ท.:Mahidol University, 1994. Print.