Magar, L. B.; Shrestha, N.; Khadka, S.; Joshi, J. R.; Acharya, J.; Gyanwali, G. C.; Marasini, B. P.; Rajbahak, S.; Parajuli, N. Challenges and Opportunity of in Vitro Propagation of Paulownia Tomentosa Steud for Commercial Production in Nepal. Int J Appl Sci Biotechnol 2016, 4, 155-160.