Sri Narayan Gazmer และ Worawet Suwanrada. (2013) FACTORS AFFECTING MATERNAL MORTALITY IN BHUTAN. Chulalongkorn University:ม.ป.ท.Sri Narayan Gazmer และ Worawet Suwanrada. 2013. FACTORS AFFECTING MATERNAL MORTALITY IN BHUTAN. ม.ป.ท.:Chulalongkorn University;Sri Narayan Gazmer และ Worawet Suwanrada. FACTORS AFFECTING MATERNAL MORTALITY IN BHUTAN. ม.ป.ท.:Chulalongkorn University, 2013. Print.