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Ralph W. Lewis
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Journal Articles
The American Biology Teacher (1999) 61 (7): 488–489.
Published: 01 September 1999
Journal Articles
The American Biology Teacher (1998) 60 (9): 649.
Published: 01 November 1998
Journal Articles
The American Biology Teacher (1998) 60 (8): 564–566.
Published: 01 October 1998
Journal Articles
The American Biology Teacher (1998) 60 (7): 484.
Published: 01 September 1998
Journal Articles
The American Biology Teacher (1997) 59 (5): 262.
Published: 01 May 1997
Journal Articles
Journal Articles
The American Biology Teacher (1997) 59 (1): 6.
Published: 01 January 1997
Journal Articles
The American Biology Teacher (1994) 56 (6): 327.
Published: 01 September 1994
Journal Articles
Journal Articles
The American Biology Teacher (1994) 56 (2): 70.
Published: 01 February 1994
Journal Articles
The American Biology Teacher (1993) 55 (5): 262.
Published: 01 May 1993
Journal Articles
The American Biology Teacher (1991) 53 (6): 328.
Published: 01 September 1991
Journal Articles
The American Biology Teacher (1991) 53 (2): 69–70.
Published: 01 February 1991
Journal Articles
The American Biology Teacher (1988) 50 (6): 362–366.
Published: 01 September 1988
Journal Articles
The American Biology Teacher (1987) 49 (7): 398–445.
Published: 01 October 1987
Journal Articles
The American Biology Teacher (1986) 48 (6): 344–347.
Published: 01 September 1986
Journal Articles
The American Biology Teacher (1986) 48 (4): 196–197.
Published: 01 April 1986
Journal Articles
The American Biology Teacher (1981) 43 (7): 379–396.
Published: 01 October 1981
Journal Articles
The American Biology Teacher (1980) 42 (1): 11–43.
Published: 01 January 1980
Journal Articles
The American Biology Teacher (1972) 34 (4): 209–225.
Published: 01 April 1972