RT Article T1 Primary prevention of behavior problems in Mexican-American children JF American journal of community psychology VO 15 IS 4 SP 375 OP 386 A1 Johnson, Dale L. 1929- A2 Walker, Todd B. LA English YR 1987 UL https://krimdok.uni-tuebingen.de/Record/1628228636 K1 Verhaltensstörungen K1 Minderheiten