©2013 National Research Council of Thailand
Chantra Tongcumpou. 1987. The Study on peat utilization as cation exchanger. Faculty of Graduate Studies, Mahidol University;
Chantra Tongcumpou. (1987) The Study on peat utilization as cation exchanger . Mahidol University/Bangkok.
Chantra Tongcumpou. The Study on peat utilization as cation exchanger. . Bangkok:Mahidol University, 1987.
Chantra Tongcumpou. (1987) The Study on peat utilization as cation exchanger . Mahidol University/Bangkok.