Tongpoothorn, Wimonrat, Somboon, Titikan, AND Sriuttha, Manop. " The Utilization of Napier Grass Stems for Cd(II) Ions Removal from Aqueous Solution: Process Optimization Studies Using Response Surface Methodology" Naresuan University Journal: Science and Technology (NUJST) [Online], Volume 28 Number 3 (5 June 2020)