Singh, C., Dhyani, S. K., Dhiman, R. C., Sharma, K. K., & Kumar, N. (2009). Evaluation of <I>Paulownia</I>-based Tree-crop Intercropping Systems under Rainfed Conditions in Doon Valley. Indian Forester, 135(11), 1565–1574. https://doi.org/10.36808/if/2009/v135i11/551