The Canadian Journal of Occupational Therapy, 40, 2 (Summer 1973), p. 103.
2.
BurdFrederick W.ParkerGwendolyn R., “A Library Information Retrieval System”, Canadian Journal of Occupational Therapy, 40, 2, (Summer 1973), pp. 73–78. The project described in the report was undertaken in order to fulfil a requirement for a program of research techniques at Sheridan College, Oakville, Ontario.
3.
MillerDelbert C., 1970Handbook of Research Design and Social Measurement, 2nd edition, David McKay Company Inc., pp. 92–93.
4.
SelltizJahodaDeutschCook, 1959Revised edition, Research Methods in Social Relations, Halt, Rinehart and Winston, pp. 241–242.