Sudarja, Sudarja, and Sukamta Sukamta. 2020. “Experimental Study on Flow Pattern and Void Fraction of Air-Water and 3 % Butanol Two-Phase Flow in 30o Inclined Mini Channel”. Journal of Advanced Research in Experimental Fluid Mechanics and Heat Transfer 1 (1):11-20. https://www.akademiabaru.com/submit/index.php/arefmht/article/view/1085.