The open book is comprehensive to cover all important areas of online learning. It is divided into seven sections, and each section focuses on one aspect of ..."); background-repeat: repeat-x; display: inline-block; overflow: hidden; position: relative; background-size: 14px 11.4px; height: 11.4px; width: 68px;">"); background-repeat: repeat-x; display: block; background-size: 14px 11.4px; height: 11.4px; width: calc(62px);"> Rating: 4.5 · ‎10 reviews