Woottipong Satayavongthip. 1995. Factors affecting drug cost in big health centers Nakorn Ratchasima province. Faculty of Graduate Studies, Mahidol University;
Woottipong Satayavongthip. (1995) Factors affecting drug cost in big health centers Nakorn Ratchasima province . Mahidol University/Bangkok.
Woottipong Satayavongthip. Factors affecting drug cost in big health centers Nakorn Ratchasima province. . Bangkok:Mahidol University, 1995.
Woottipong Satayavongthip. (1995) Factors affecting drug cost in big health centers Nakorn Ratchasima province . Mahidol University/Bangkok.