Khan Khayru R, Wisnujati RNS, Darmawan D, Issalillah F. Pengamatan Loyalitas Merek Obat Herbal Berdasarkan Kemasan dan Harga. JSE [Internet]. 2021 Nov. 25 [cited 2026 Oct. 10];4(2):121-32. Available from: https://jurnal.unpkediri.ac.id/index.php/JSE/article/view/101