Chhay และผู้แต่งคนอื่นๆ. (1998) An action research study on improvement of laboratory services in Baaray-Santuk Referral Hospital, Baaray-Santuk Operational District, Kampong Thom Province, Cambodia. Chulalongkorn University:ม.ป.ท.Chhay และผู้แต่งคนอื่นๆ. 1998. An action research study on improvement of laboratory services in Baaray-Santuk Referral Hospital, Baaray-Santuk Operational District, Kampong Thom Province, Cambodia. ม.ป.ท.:Chulalongkorn University;Chhay และผู้แต่งคนอื่นๆ. An action research study on improvement of laboratory services in Baaray-Santuk Referral Hospital, Baaray-Santuk Operational District, Kampong Thom Province, Cambodia. ม.ป.ท.:Chulalongkorn University, 1998. Print.