Khan Khayru, Rafadi, RR Nugrahini Susantinah Wisnujati, Didit Darmawan, and Fayola Issalillah. “Pengamatan Loyalitas Merek Obat Herbal Berdasarkan Kemasan Dan Harga”. Jurnal Simki Economic 4, no. 2 (November 25, 2021): 121-132. Accessed December 5, 2024. https://jiped.org/index.php/JSE/article/view/101.