E. Insusanty and A. Azwin, “STRATEGI PENGELOLAAN TAMAN HUTAN RAYA SULTAN SYARIF HASYIM PEKANBARU”, J. Ilm. Pertan., vol. 11, no. 2, pp. 56–58, Feb. 2014, doi: 10.31849/jip.v11i2.1249.