References

References
Bardell, D. (1978). Alexander Fleming and the age of antibiotics. The Science Teacher, 45, 29-9.
Bardell
29
45
The Science Teacher
1978
Pelczar, M.J., Chan, E.C.S. & Krieg, N.R. (1986). Microbiology. (5th ed.). New York: McGraw-Hill. pp. 513-36.
Pelczar
5
513
Microbiology
1986
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