Pitjamit, Siwasit, Norrapon Vichiansan, Komgrit Leksakul, and Dheerawan Boonyawan. 2024. “Optimization of Ultrasonic and Microbubble Disinfection for Escherichia Coli and Staphylococcus Aureus: Experimental Design and Effectiveness Evaluation”. Journal of Engineering and Technological Sciences 56 (6):742-55. https://doi.org/10.5614/j.eng.technol.sci.2024.56.6.6.