Prem Vrat
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Alpana Agarwal,
Prem Vrat,
P. Vrat,
2015
.
Prem Vrat,
Lalit Upadhayay,
2016
.
Prem Vrat,
S .N. Mishra,
S. G. Deshrnukh,
2003
.
Prem Vrat,
Sunaina Sangwan,
2016
.
S. G. Deshmukh,
Prem Vrat,
S .N. Mishra,
2005
.
Prem Vrat,
2014
.
Prem Vrat,
Sushil,
Narendra Kumar,
1994
.
S. G. Deshmukh,
Prem Vrat,
Nitin Seth,
2005
.
Prem Vrat,
Nitin Gupta,
P. Vrat,
2019
.
Alpana Agarwal,
Prem Vrat,
2017
.
Prem Vrat,
2014
.
Prem Vrat,
2014
.
Prem Vrat,
A. Noorul Haq,
Arun Kanda,
1991
.
Prem Vrat,
B. S. Sahay,
Ravi Shankar,
2006
.
Prem Vrat,
Karishma Chaudhary,
2019
.
Prem Vrat,
Sushil,
J. P. Saxena,
1990
.
Prem Vrat,
2014
.
Prem Vrat,
Shalini Anand,
R P Dahiya,
2006,
Journal of environmental management.
Prem Vrat,
2014
.