H. Sulkin

Problems and Techniques in Achieving Both Ecological and Population Validity in Educational Research.

H. Sulkin, 1971 .

PIAGET'S PROBLEM OF CONSERVATION OF DISCONTINUOUS QUANTITIES: A TEACHING EXPERIENCE.

K. Feigenbaum, H. Sulkin, 1964, The Journal of genetic psychology.

COMPARISON OF GRIEVANTS WITH NONGRIEVANTS IN A HEAVY MACHINERY COMPANY

H. Sulkin, Robert W. Pranis, 1967 .

Evaluation of an Elementary School Social Studies Program.

H. Sulkin, Robert W. Pranis, 1969 .

Effects of Participant Personality On Management Training Methods

H. Sulkin, 1972 .