Shobirin, Shobirin. “The Effectiveness of the Work of Non-Entrepreneurship Soldiers at the Jakarta National Air Defense Command Headquarters”. Eduvest - Journal of Universal Studies 2, no. 6 (June 11, 2020): 1.060–1.068. Accessed July 1, 2025. https://eduvest.greenvest.co.id/index.php/edv/article/view/459.