Djumadil, Sudin M.Saleh, and Nirwana Nirwana. “Ungkapan-Ungkapan Advertensi Jamu Kuat: Tinjauan Semiotika”. Tekstual, vol. 16, no. 2, Oct. 2018, pp. 43-52, doi:10.33387/tekstual.v16i2.1086.