STATUS OF PARTICULATE (PM10) AND GASEOUS POLLUTANTS (NO2, SO2) IN THE TIRTHAN VALLEY OF THE GREAT HIMALAYAN NATIONAL PARK, HIMACHAL PRADESH, INDIA. Journal title: International Journal of Advanced Research (IJAR) Authors: Sarla Shashni, Jagdish Chandra Kuniyal, Gulshan Sharma, Jatinder M. Julka Subject(s):
