Buscar : Título Autor Tema Serie Número de llamada que comienza con: 10 20 30 50 100 por página < Encabezamientos 10 anteriores Encabezamientos 10 siguientes > Consultar encabezamientos # Problem shared. 6 SEE: Spilsbury, Louise. Problem shared 6 Problem solver (Research and Education Association) -- SEE: REA's problem solvers 1 Problem solvers -- SEE: REA's problem solvers 1 Problems and solutions. 1 SEE: Friend, Trudy. Problems and solutions 1 Problems in American civilization 2 Problems in American history ; 05 1 Problems in American history ; 5. 1 Problems of international politics 1 Problim children 1 Problim children ; 2 1 10 20 30 50 100 por página < Encabezamientos 10 anteriores Encabezamientos 10 siguientes >