SHAH, U.; JASANI, A. UV SPECTROPHOTOMETRIC AND RP- HPLC METHODS FOR SIMULTANEOUS ESTIMATION OF ISONIAZID, RIFAMPICIN AND PIPERINE IN PHARMACEUTICAL DOSAGE FORM. International Journal of Pharmacy and Pharmaceutical Sciences, [S. l.], v. 6, n. 10, p. 274–280, 2014. Disponível em: https://www.innovareacademics.in/journals/index.php/ijpps/article/view/2656. Acesso em: 1 jul. 2022.