R. P. Octavially, R. R. Riskiana, K. A. Laksitowening, D. S. Kusumo, M. Adrian, and N. Selviandro, “Test Case Analysis with Keyword-Driven Testing Approach on Angkasa Website Using Katalon Studio Tools”, Ultimatics, vol. 13, no. 2, pp. 134–141, Jan. 2022.