Tjitra, E., M. Maladi, B. Prasetyorini, S. Suprianto, S. Harun, N. Nurhayati, E. Yuwarni, B. Yandri, F. Laihad, and P. Ringwald. “Efficacy of Chloroquine, Chloroquine Plus Sulphadoxine-Pyrimethamine, and Amodiaquine for Treatment of Vivax Malaria in Bangka Island, Indonesia: A Randomized Trial”. Medical Journal of Indonesia, Vol. 17, no. 2, May 2008, pp. 96-106, doi:10.13181/mji.v17i2.307.