Telephone conversations between Dan and Jack Gilbreth and Professor Arthur G. Bedeian with his class of Ph. D. students in which the students asked the brothers questions and they responded.
Telephone conversations between Dr. W. Jack Duncan and Professor Arthur G. Bedeian with his class of Ph. D. students in which the students asked Dr. Duncan questions and he responded.
Telephone conversations between Dr. W. Jack Duncan and Professor Arthur G. Bedeian with his class of Ph. D. students in which the students asked Dr. Duncan questions and he responded.
Telephone conversations between Dr. W. Jack Duncan and Professor Arthur G. Bedeian with his class of Ph. D. students in which the students asked Dr. Duncan questions and he responded.
Telephone conversations between Dr. W. Jack Duncan and Professor Arthur G. Bedeian with his class of Ph. D. students in which the students asked Dr. Duncan questions and he responded.
Telephone conversations between Dr. W. Jack Duncan and Professor Arthur G. Bedeian with his class of Ph. D. students in which the students asked Dr. Duncan questions and he responded.
Telephone conversations between Dr. W. Jack Duncan and Professor Arthur G. Bedeian with his class of Ph. D. students in which the students asked Dr. Duncan questions and he responded.
Telephone conversations between Dr. W. Jack Duncan and Professor Arthur G. Bedeian with his class of Ph. D. students in which the students asked Dr. Duncan questions and he responded.
Telephone conversations between Dr. W. Jack Duncan and Professor Arthur G. Bedeian with his class of Ph. D. students in which the students asked Dr. Duncan questions and he responded.
Telephone conversations between Dr. W. Jack Duncan and Professor Arthur G. Bedeian with his class of Ph. D. students in which the students asked Dr. Duncan questions and he responded.
Telephone conversations between Dr. W. Jack Duncan and Professor Arthur G. Bedeian with his class of Ph. D. students in which the students asked Dr. Duncan questions and he responded.
Telephone conversations between Jack Gilbreth and Professor Arthur G. Bedeian with his class of Ph. D. students in which the students asked the brothers questions and they responded.