Wanchai Maneeboonyoung. (1999) Factors influencing on disability days from malaria. Mahidol University,:ม.ป.ท.Wanchai Maneeboonyoung. 1999. Factors influencing on disability days from malaria. ม.ป.ท.:Mahidol University,;Wanchai Maneeboonyoung. Factors influencing on disability days from malaria. ม.ป.ท.:Mahidol University, 1999. Print.