Rojanarowan N, Sookpom N. Variation reduction of brightness and pH of pulp sent to a paper mill. Eng Appl Sci Res [Internet]. 2015 Mar. 30 [cited 2024 May 19];42(1):51-60. Available from: https://ph01.tci-thaijo.org/index.php/easr/article/view/32584