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	1.	No cover image available Fertilizer guide for food grains in the tropics and subtropics (Book) by De Geus, J.G Publication details: Zurich Centre d'Etude de l' Azote 1970 Availability: Items available for loan: Perpustakaan LGM (2)Call number: 631.8 : 633.25 GEU, ... Place hold Add to cart (remove)
	2.	No cover image available Fertilizer guide for tropical and subtropical farming (Book) by Geus, J.G. de Publication details: Zurich Centre d'Etude de l'Azote 1967 Availability: Items available for loan: Perpustakaan LGM (2)Call number: 631.8 GEU, ... Place hold Add to cart (remove)
	3.	No cover image available Handbook on environmental aspects of fertilizer use (Book) by NPK(working group) NPK(working group) Publication details: Bleicherwg, Zurich Centre d'Etude de l'Azote 1975 Availability: Items available for loan: Perpustakaan LGM (1)Call number: 631.8:581.5 CEN. Place hold Add to cart (remove)

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