Thapa, R. B., and S. Neupane. “Does Prevailing Natural Resource Pool Nearby Matter? A Case Study on Determinants of Participation on Yarshagumba Collection in Dolpa, Nepal”. Economic Journal of Nepal, vol. 31, no. 4, July 2011, pp. 222-34, https://nepjol.info/index.php/EJON/article/view/5008.