Qualitative methods.
Sharma, Shayam Gopal , Jain, Ravi K and Parik, Govind.
Qualitative methods. - Jaipur National Publishing House 1988 - 720+10.1-12.65p
Mathematics
519.5 SHA
Qualitative methods. - Jaipur National Publishing House 1988 - 720+10.1-12.65p
Mathematics
519.5 SHA