Ainul, Amri Lala Hucadinota, Noor Azly Mohammed Ali, and Rusmadiah Anwar. “Indonesian Printing Industry Profile”. Environment-Behaviour Proceedings Journal 7, no. SI7 (August 31, 2022): 221–225. Accessed May 13, 2024. https://ebpj.e-iph.co.uk/index.php/EBProceedings/article/view/3786.