OWOWI WEI PINGFollowUsage metrics Co-workers & collaboratorsAHAng Kean HuaPhD - Universiti Putra MalaysiaAng Kean HuaNSNorjumawati SabranNorjumawati SabranNNNurliyana Athirah Mohd NoorNurliyana Athirah Mohd Noor