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Preeyaphan Udomprasert. 1989. A computer based system for dairy herd reproductive performance. , University of Minnesota;
Preeyaphan Udomprasert. (1989) A computer based system for dairy herd reproductive performance . University of Minnesota/Minnesota.
Preeyaphan Udomprasert. A computer based system for dairy herd reproductive performance. . Minnesota:University of Minnesota, 1989.
Preeyaphan Udomprasert. (1989) A computer based system for dairy herd reproductive performance . University of Minnesota/Minnesota.