To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
Mathematics one of the most hated subject by the students. Students grabs video study better than book studies so there is on unique feature of the book that it has videos at the end of each chapter for a Digital Learning Experience.
Expected delivery of books on 23/06/20 as per book seller. Total 5 times call to seller . Standard answer 1) system not working. 2) will be deliver with in two days . 3) we will call u . But in all 5 times call . They never ever call.