International workshop--
Subtitle: phosphate rock--derivatives and their use : August 29-September 2, 1993, Zambezi Lodge, Siavonga, Zambia
By: organised by the Zambia Fertilizer Technology Development Committee (ZFTDC) ; sponsored by USAID ... [et al.].
Contributors: Zambia Fertiliser Technology Development Committee.; United States. Agency for International Development.
Publisher: ZFTDC
Published: 1993
Place of publication: [Lusaka]
Language: eng
Subjects: Phosphate mines and mining -- Zambia -- Congresses.; Phosphatic fertilizers -- Zambia -- Congresses.
Other titles: Phosphate rock--derivatives and their use :