Conjoint Analysis for Evaluation of Customer’s Preference of Analgesic Generic Medicines under Non-proprietary NamesAries Susanty, Bambang Purwanggono, Nia Budi Puspitasari and Chellsy AllisonE3S Web Conf., 202 (2020) 12022DOI: https://doi.org/10.1051/e3sconf/202020212022