Hatmanto, Himawan, Agung Yuniarinto, and Surachman. 2022. “The Influence of Resource Flexibility and Product Complexity on Operational Performance Moderated by Employee Competence in Indonesian Defense Industry”. International Journal of Research in Business and Social Science (2147- 4478) 11 (3):33-43. https://doi.org/10.20525/ijrbs.v11i3.1741.