WASET
Sanmanee, N. , Panishkan, K. , Obsuwan, K. , Dharmvanij, S.. "Study of Compost Maturity during Humification Process using UV-Spectroscopy". World Academy of Science, Engineering and Technology, Open Science Index 56, International Journal of Agricultural and Biosystems Engineering, (2011), 5(8), 448 - 450.