Wiwat Thavornwattanayong และผู้แต่งคนอื่นๆ. (2022) A systematic review of economic evaluation of sequential of 13-valent pneumococcal conjugate vaccine and 23-valent pneumococcal polysaccharide vaccine in elderly people. <i>Science, Engineering and Health Studies</i>, <i>16</i>, 22050001.Wiwat Thavornwattanayong และผู้แต่งคนอื่นๆ. "A systematic review of economic evaluation of sequential of 13-valent pneumococcal conjugate vaccine and 23-valent pneumococcal polysaccharide vaccine in elderly people". Science, Engineering and Health Studies 16 (2022):22050001.Wiwat Thavornwattanayong และผู้แต่งคนอื่นๆ. A systematic review of economic evaluation of sequential of 13-valent pneumococcal conjugate vaccine and 23-valent pneumococcal polysaccharide vaccine in elderly people. Silpakorn University Research Innovation and Creativity Administration Office:ม.ป.ท. 2022.