1. Efficiency of inseminators;Cembrowicz,1964
2. The use of a dye indicator for testing, training and evaluating technicians in artificial insemination;Graham,1966
3. Observations on retraining of artificial insemination technicians and its importance in maintaining efficiency;King;Can. Vet. J.,1965
4. Milk Marketing Board. 1960. Rep. Prod. Div. No. 11:113-115.
5. Use of dye for technician training and retraining;Webb,1976