Knapp Philo Ph.D., JoAnne books & textbook
Talk to Me, Baby!: How You Can Support Young Children's Language Development, Second Edition
Bardige Ed.D., Betty Knapp-Philo Ph.D., JoAnne
Brookes Publishing /2016-05-18 Paperback / 336 Pages
isbn-10: 1598579207 / isbn-13: 9781598579208