METHOD DEVELOPMENT AND VALIDATION OF A FAST AND SENSITIVE HPLC AND UV-VIS SPECTROPHOTOMETRIC TECHNIQUE FOR THE ESTIMATION OF RIVASTIGMINE IN BULK AND FORMULATION. International Journal of Food and Nutritional Sciences, [S. l.], v. 15, n. 1, p. 211–227, 2026. Disponível em: https://ijfans.org/index.php/Journal/article/view/1283. Acesso em: 10 sep. 2026.