Yazar
kevin p engler
2 cilt bulundu.
Cilt sonuçları
Audio-visuals relating to animal care, use, and welfare
Kevin P. Engler · U.S. Dept. of Agriculture, National Agricultural Library
45 sayfa · 1989
Bibliography / Audio-visual aids / Animals / Animal welfare
Animal-related computer simulation programs for use in education and research
Kevin P. Engler · National Agricultural Library
52 sayfa · 1989
Bibliography / Animals / Animal experimentation / Research