Gunawan, Chandra, Liem Khe Fung, Lukman Nul Hakim, Eko Wahyudi, Angga Pramana, and Yelmira Zalfiatri. 2025. “Paper Mill Sludge As a Substitute Material in Paving Blocks for a Sustainable Waste Management Approach”. Journal of Engineering Science and Technology Management (JES-TM) 5 (2):212-20. https://doi.org/10.31004/jestm.v5i2.269.