Gyeltshen, K. (2018). "Population status and diet of sympatric hornbills in Jomotsangkha wildlife sanctuary(JWS), Bhutan''. Forest Information Division and Forest Research Institute.
Chicago-čujuhus (17. p.)Gyeltshen, Karma. "Population Status and Diet of Sympatric Hornbills in Jomotsangkha Wildlife Sanctuary(JWS), Bhutan''. Dehradun: Forest Information Division and Forest Research Institute, 2018.
MLA-čujuhus (9. p.)Gyeltshen, Karma. "Population Status and Diet of Sympatric Hornbills in Jomotsangkha Wildlife Sanctuary(JWS), Bhutan''. Forest Information Division and Forest Research Institute, 2018.
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