Tewari, Ashish, Amit Mittal, and Nandan Singh. 2017. “Seed Maturation Timing in Quercus Leucotrichophora A. Camus Along an Altitudinal Gradient in Uttarakhand Himalaya”. Environment Conservation Journal 18 (3):53-59. https://doi.org/10.36953/ECJ.2017.18307.