LIBROS DEL AUTOR: nathan h azrin

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  • Toilet Training in Less Than a Day
    Nathan H Azrin / Richard M Foxx
    From two noted learning specialists, here is the amazing, scientifically proved Azrin-Foxx method that teaches potty training quickly-in less than four hours for the average child.The classic guide used by millions of parents!Make potty training a total success-in only a few hours!After that rewarding learning period, he or she will willingly use the toilet without assistance o...
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    7,39 €