Genetic and environmental effects on production and reproduction characteristics of corriedale, perendale, and crossbred sheep /
by Paul Nelson Manua.
- Port Moresby : University of Papua New Guinea, 1987.
- 77 p.
Dissertation submitted in partial fulfilment for the Bachelor of Agriculture Honours degree to the University of PNG, 1987. Thesis (B. Agric. Hons.)--University of PNG, 1987.