Encapsulation Technique

“WATER Research Alliance, Department of Environmental Engineering, Faculty of Civil Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor. Email: mfadhil@utm.my, m_fadhil_md@yahoo.com, mfadhil770603@gmail.com. Tel: +607-5538690, Mobile: +6019-7347878, Fax: +607-5531575”