May not include supplemental or companion materials if applicable. (amazon.com)
The materials include considerations for instruction, sample activities and companion materials necessary to complete the activities. (greatmiddleschools.org)
Today, many retailers and authors have latched on to this trend and are publishing their own eLearning materials, from videos that make sure that the customer orders the correct size shoes to book companion materials for book clubs and study groups. (elearningindustry.com)