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 Jack Michael
 
 Michael, Jack (1969): Management of behavioral consequences in education (part B) [Management of behavioral consequences in education (part B)]. R. interam. Psicol. 3(4), 233-258 (eng.). 
 
 Michael, Jack (1969): Management of behavioral consequences in education (part A) [Management of behavioral consequences in education (part A)]. R. interam. Psicol. 3(3), 205-225 (eng.).