Irb Kheoruenromne,Attasit Wongmaneeroj. 1991. Research on characterization, amelioration and utilization of problem soils :characterization and fertility capability of acid sulfate and extremely acid soils. Bangkok:Faculty of Agriculture Kasetsart University;
Irb Kheoruenromne,Attasit Wongmaneeroj. (1991) Research on characterization, amelioration and utilization of problem soils :characterization and fertility capability of acid sulfate and extremely acid soils (รายงานผลงานวิจัย). Faculty of Agriculture Kasetsart University:Bangkok.
Irb Kheoruenromne,Attasit Wongmaneeroj. Research on characterization, amelioration and utilization of problem soils :characterization and fertility capability of acid sulfate and extremely acid soils. Bangkok:Faculty of Agriculture Kasetsart University, 1991.
Irb Kheoruenromne,Attasit Wongmaneeroj. (1991) Research on characterization, amelioration and utilization of problem soils :characterization and fertility capability of acid sulfate and extremely acid soils (รายงานผลงานวิจัย). Faculty of Agriculture Kasetsart University:Bangkok.