Sawitree Suvanno , Nantida Otakum , Kanyapat Utapao , Sutthida Chuanwan , Niraj Ruangsan. “Perception, Attitude And Preparation For Aged Society In Thailand Among People In Bangkok”. 2022. Journal of Pharmaceutical Negative Results, Nov. 2022, pp. 617-23, doi:10.47750/pnr.2022.13.S09.69.