Ni,Ni Ni. 1991. Effects of shift work among nurses working in the hospital. Faculty of Graduate Studies, Mahidol University;
Ni,Ni Ni. (1991) Effects of shift work among nurses working in the hospital . Mahidol University/Bangkok.
Ni,Ni Ni. Effects of shift work among nurses working in the hospital. . Bangkok:Mahidol University, 1991.
Ni,Ni Ni. (1991) Effects of shift work among nurses working in the hospital . Mahidol University/Bangkok.