Euan S. Henderson / Michael B. Nathenson
Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Based on considerable practical experience, this book, originally published in 1980, examines the planning and executing of the collection of feedback from students, on self-instructional learning materials concerned with various subject-matters and presented through various media, both printed and audio-visual.