www.pianoinstruction.com/pianoforkids/kidtips.html
www.key-notes.com/efficient-piano-practice.html
www.anythingpiano.com/parents_practice_motivation.html
www.musicalresources.blogspot.ca/2011/07/truth-about-piano-lessons.html
Music is collaborative.
Here are some external links which may be useful to you.
Please send me others that you find helpful.