4-H Club Insect Manual
Merlin Perry Jones
Jan 1939 ยท U.S. Department of Agriculture
I-Ebook
63
Amakhasi
Mayelana nale ebook
This insect manual was prepared primarily for the use of 4-H club members, but it also may be useful to other groups of young people. Its purpose is to give a better understanding of insects and the principles underlying insect control.
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