Efendi, Dimas Amirul Mukminin Nur, et al. “Industrial Wastewater Treatment Using Venture Injector Type Micro-Bubble Aeration As a Reduction of Dissolved Iron (Fe2+) Levels”. Journal of Natural Sciences and Mathematics Research, vol. 9, no. 2, Dec. 2023, pp. 91-101, https://journal.walisongo.ac.id/index.php/JNSMR/article/view/17594.