Thavornwattanayong, Wiwat, Katchapa Ratthanaphongtara, Kusuma Phoyen, Pichamol Suwankanit, and Tanawan Kampanthong. 2022. “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 (January):22050001. https://doi.org/10.14456/sehs.2022.6.