Kitabu hiki huenda hakitapatikana katika uchapishaji.
Technical Bulletin no. 7
64 pages, illustrated, photos
Maelezo ya Uchapishaji
- Limechapishwa: 1988
- Mchapishaji: Ministry of Agriculture, Fisheries and Forests
- Dewey Decimal: 630.967
- Maktaba ya ECHO: 630.967 MAF