Hawkins K.
Nurs Mirror. 1979 Nov 22;149(21):10.
PMID: 260156

Letourneau D.
Soins Form Pedagog Encadr. 1995;(14):5-8.
PMID: 7633685

BUNGE HL.
Nurs Res. 1958 Oct;7(3):113-5. doi: 10.1097/00006199-195810000-00004.
PMID: 13590599

LESNAN VB, NYLAND M.
Hosp Top. 1965 May;43:59-60. doi: 10.1080/00185868.1965.9953782.
PMID: 14282338

McNeil DR.
J Contin Educ Nurs. 1970 Jul;1(2):8-11. doi: 10.3928/0022-0124-19700701-04.
PMID: 4995154

Walton MH.
J Contin Educ Nurs. 1970 Jul;1(2):12-7.
PMID: 4995149

Everson S, Panoc K, Pratt P, King AM.
J Contin Educ Nurs. 1981 Sep-Oct;12(5):22-6.
PMID: 6912253