Dr. Y S Parmar University of Horticulture & Forestry, Nauni, Available Volumes: NULL, Year: 2004
Forest Research Institute University, Dehradum, Available Volumes: NULL, Year: 2004
Sher-e-Kashmir University of Agricultural Sceince and Technology, Jammu, Available Volumes: NULL, Year: 2004
Himachal Pradesh University, Shimla, Available Volumes: Vol.22-35,1989
Punjab Agricultural University, Ludhiana, Available Volumes: Vol.29,1983
Panjab University, Chandigarh, Available Volumes: Vol.5-29,1959-1983;Vol.31-33,1985-1987
