Description
The minute particles of the atom are electron proton and Nutron which were suppossed to be basic elements for a long period. After further minute research in scientific field, scientist discovered still minute particals called ‘quark’ which however survive for a short period. It is now an established belief that the study of these particals will reveal the origin of the universe. In this book the information about these minute elements which cannot be seen through microscopes is given by Dr. Madhukar Apte.
Multistate Co-op. Act 
Daha Hajar Nayan 
Karmachari Vyavasthapan 