TY  - RPRT
TI  - A PROCEDURE FOR REDUCING EXPERIMENTAL DROP-OUTS.
AU  - A E KAUFMAN
PY  - 1964
DO  - 10.1901/jeab.1964.7-400
UR  - https://pubmed.ncbi.nlm.nih.gov/14238905/
ID  - 14238905
ER  -