Sawitree Suvanno , Nantida Otakum , Kanyapat Utapao , Sutthida Chuanwan , Niraj Ruangsan (2022) “Perception, Attitude And Preparation For Aged Society In Thailand Among People In Bangkok”, Journal of Pharmaceutical Negative Results, pp. 617–623. doi: 10.47750/pnr.2022.13.S09.69.