Nur Munira Azman; Nurul Salmi Abdul Latip; Shahrul Anuar Mohd Sah; Mohd Abdul Muin Md Akil; Nur Juliani Shafie; Nurul Liyana Khairuddin. Avian Diversity and Feeding Guilds in a Secondary Forest, an Oil Palm Plantation and a Paddy Field in Riparian Areas of the Kerian River Basin, Perak, Malaysia. tlsr 2011, 22 (2), 45–64.