(1999). Resource management in rice systems: Nutrients : Papers presented at the International Workshop on Natural Resource Management in Rice Systems: Technology Adaptation for Efficient Nutrient Use, Bogor, Indonesia, 2-5 December 1996. Dordrecht: Kluwer Academic Publishers in cooperation with the International Rice Research Institute.

Resource Management in Rice Systems: Nutrients : Papers Presented At the International Workshop On Natural Resource Management in Rice Systems: Technology Adaptation for Efficient Nutrient Use, Bogor, Indonesia, 2-5 December 1996. Dordrecht: Kluwer Academic Publishers in cooperation with the International Rice Research Institute, 1999.

Resource Management in Rice Systems: Nutrients : Papers Presented At the International Workshop On Natural Resource Management in Rice Systems: Technology Adaptation for Efficient Nutrient Use, Bogor, Indonesia, 2-5 December 1996. Dordrecht: Kluwer Academic Publishers in cooperation with the International Rice Research Institute, 1999.