2
Collins, Gary R.
| American Association of Christian Counselors |
1996
3
Collins, Gary R.
| The Rosemead School of Psychology |
1983
4
Collins, Gary R.
| Thomas Nelson |
2007
5
6
Collins, Gary R.
| American Association of Christian Counselors |
2000
8
Collins, Gary R.
| American Association of Christian Counselors |
1999
10
Collins, Gary R.
| American Association of Christian Counselors |
1999