Unknown. (2023). Organization of the Forest Research Institute and Colleges (as on 1st July 1958). Forest Research Institute, Dehradun.
Dyfyniad Arddull ChicagoUnknown. Organization of the Forest Research Institute and Colleges (as on 1st July 1958). Forest Research Institute, Dehradun, 2023.
Dyfyniad MLAUnknown. Organization of the Forest Research Institute and Colleges (as on 1st July 1958). Forest Research Institute, Dehradun, 2023.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.