(1989). Proceedings of the symposium on fertilizer, present and future: To a decision making for heading the 21st Century- September 25-26, 1989. Kyoto, Janpan: Janpanese Society of soil Science and Plant Nutrition.
Παραπομπή Chicago StyleProceedings of the Symposium On Fertilizer, Present and Future: To a Decision Making for Heading the 21st Century- September 25-26, 1989. Kyoto, Janpan: Janpanese Society of soil Science and Plant Nutrition, 1989.
Παραπομπή MLAProceedings of the Symposium On Fertilizer, Present and Future: To a Decision Making for Heading the 21st Century- September 25-26, 1989. Kyoto, Janpan: Janpanese Society of soil Science and Plant Nutrition, 1989.
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