Hakim, A., and anton komaini. “Tinjauan Pengelolaan Sarana Dan Prasarana Olahraga Rekreasi Puncak Lawang”. JURNAL STAMINA, Vol. 2, no. 9, Sept. 2019, pp. 37-42, http://stamina.ppj.unp.ac.id/index.php/JST/article/view/348.