From the Editor

Dear readers of TOJDE,TOJDE appears on your screen now as Volume 12, Number: 4. In this issue it publishes 5 notes for Editor, 10 articles, 2 book reviews. And this time, 33 authors from 10 different countries are placed. These published articles are from Bangladesh, Ethiopia, India, Malaysia, Nigeria, Pakistan, Saudi Arabia, Turkey, UAE and USA. The first Notes for editor arrived from USA, written by Kevin YEE and Jace HARGIS. They focused on Google+ is like Twitter in that anyone can follow a given user‘s posts. There is no direct ―friend‖ relationship required to read the posts written by others. However, it also approximates some features of Facebook. Rather than friends sorted into ―lists‖ like in Facebook, Google+ allows users to place feeds into one or more ―circles,‖ the better to monitor (or control) the flow of information to and from different audiences. Circles are more intuitive, and more central to the experience, than the Facebook lists. They provide an explicit organizational structure, compared to the less-obvious listing functionality, which feels like an afterthought, found in Facebook. The second notes for editor is titled as ―Learning Community In Online Education‖ which is written by Ziad D. BAGHDADI, Faculty, Riyadh Colleges of Dentistry & Pharmacy, Riyadh, SAUDI ARABIA, Faculty, Damascus University Dental Faculty, Damascus, SYRIA. This paper discusses establishing learning communities early in online education and their helps in bridging distances and differences between physical and virtual worlds of teaching and learning. This article sheds light on the importance of learning communities, and gives readers advices for creating communities that connect, engage, and inspire. Several tools for assessment of learning are provided to appraise online learning communities‘ benefits to learners at all levels. ―Investigating The Effect Of Asynchronous Discussions On Students‘ Learning And Understanding Of Mathematics Subjects‖ is the third paper for ―Notes for Editor‖ section of TOJDE‘s in this issue. It has written by Ozcan OZYURT and Hacer OZYURT, from Karadeniz Technical University, Trabzon, TURKEY. In the present study, document analysis was employed and all Turkish originated ADFs related to mathematics teaching were scanned and subjected to content analysis. Besides, a survey was implemented on 86 high school and undergraduate students. Both qualitative and quantitative data were obtained through this survey. These data were analyzed to qualitatively and quantitatively. Attitudes of students towards computer-supported collaborative