MAAN, PREETI, et al. “DUAL-DRUG QUANTIFICATION: HPLC METHOD VALIDATION FOR HESPERIDIN AND PIPERINE IN ETHOSOMAL DELIVERY SYSTEMS”. International Journal of Applied Pharmaceutics, vol. 17, no. 2, Mar. 2025, pp. 240-9, doi:10.22159/ijap.2025v17i2.53262.