expr:class='"loading" + data:blog.mobileClass'>

Collected Document

In matter of exam preparation one suggested book by teacher is OK, but two or more book could be more help if you want to. But with two or more books with some thesis paper by learned person can be great help and more understandable the topic. In this page i will provide some collected thesis or assignment paper on subject wise  which can be great help at the time of study and you should not try Google every time. You can get download or browse it easily any time of the day you wish.