Synthesis of ion exchange resin for separation of yttrium and other metal ions - Haron, Md. Jelas; Silong, Sidik; Wan Yunus, Wan Md. Zin; A. Rahman, M. Z.; Ahmad, M.; Balci, Seckin; Sulaiman, M. Y. M. (The Research Unit, Universiti Putra Malaysia, 1999)