1. Comparison of different methods for determining methane emission from waste disposal sites in thailand
C. Chiemchaisri, W. Chiemchaisri, O. Salvaros, N. Luknanulak, S. Towprayoon and C. Visvanathan

2. Different methods of grading or rating refrigerator freezers
R. Saidur, H. H. Masjuki

3. Electricity sector reform in india environmental and technical challenges
S. Karki, M. D. Man, H. Salehfar, R. Hill

4. Physical and chemical separation of oil and suspended solids from palm oil mill effluent
T. Laohaprapanon, P. Prasertsan, A. H. Kittikun

5. Study towards cleaner production by palm oil mills modelling of oil separation for horizontal settling tank
J. Chungsiriporn, Suteera Prasertsan, C. Bunyakan