B. G. Pradana and R. Rochmoeljati, “Defect Analysis of Pepari Leather Bags Using Fault Tree Analysis and 5W+1H: Analisis Kecacatan Tas Kulit Pepari Leather dengan Fault Tree Analysis dan 5W+1H”, ijins, vol. 26, no. 4, p. 10.21070/ijins.v26i4.1570, Jul. 2025.