Removal of methyl red dye from aqueous solutions using coconut product sawdust by the process of adsorption - Osorio, Elias Teofilo; Rosario, Leo Mendel; Lee, Henry; Ulano, April; Arciaga, Marko; Tumlos, Roy (Proceedings of the 26th Samahang Pisika ng Pilipinas Physics Congress, 2008)