TY  - RPRT
TI  - SEQUENCE EFFECTS IN PROGRAMED LEARNING OF A VERBAL CONCEPT.
AU  - J M NEWTON
AU  - A E HICKEY
PY  - 1965
DO  - 10.1037/h0022020
UR  - https://pubmed.ncbi.nlm.nih.gov/14327687/
ID  - 14327687
ER  -