“Studi Pembuatan Sabun Cair dari Daging Buah Pepaya (Analisis Pengaruh Kadar Kalium Hidroksida terhadap Kualitas Sabun): Study of Papaya Liquid Soap Production (Analysis of the Effect of Potassium Hydroxide Levels on the Soap Quality)”, st, vol. 2, no. 1, pp. 60–65, Jan. 2019, doi: 10.32734/st.v2i1.313.