Islam และ MD. Akramul. (1992) Evaluation of the pilot project in the performance of VHVs in tuberculosis control. Mahidol University,:ม.ป.ท.Islam และ MD. Akramul. 1992. Evaluation of the pilot project in the performance of VHVs in tuberculosis control. ม.ป.ท.:Mahidol University,;Islam และ MD. Akramul. Evaluation of the pilot project in the performance of VHVs in tuberculosis control. ม.ป.ท.:Mahidol University, 1992. Print.