N. Suryadi, Y. Suryana, R. Komaladewi, and D. Sari, “Success Factors in Creating Consumer Trust of Standardized Herbal Medicine in East Java, Indonesia”, IJET, vol. 7, no. 2.29, pp. 1072–1075, May 2018, doi: 10.14419/ijet.v7i2.29.14315.