Rahman, Muhammad Dedy Agung Syaiful, and Mas Oetarjo. “COVID-19 Impact on Concrete Producers: Conflict, Stress, Compensation, and Work”. Academia Open 70 (December 26, 2022): 10.21070/acopen.7.2022.3184. Accessed November 21, 2024. https://acopen.umsida.ac.id/index.php/acopen/article/view/3184.