Tuan Yusof, T. R. and A/L N Gopal, T. R. (2026) “The Effects of Pretreatment with Different Concentrations of Sodium Hydroxide on Paddy Straw for Biogas Production”, Advanced and Sustainable Technologies (ASET), 5(2), pp. 111–118. doi: 10.58915/aset.v5i2.3524.