Arya Putra, I.M.F., Hendra Wijaksana and I Gede Teddy Prananda Surya 2022. Experimental Study of Permeability Characteristics of Bamboo Betung Activated Carbon as Alternative Pad Material for Direct Evaporative Cooling System. Natural Sciences Engineering and Technology Journal. 3, 1 (May 2022), 142-153. DOI:https://doi.org/10.37275/nasetjournal.v3i1.27.