T. Yuliyanti, “Kemampuan Metakognitif, Lingkungan Dan Motivasi Belajar Meningkatkan Prestasi Akademik Mahasiswa Poltekkes Bhakti Mulia (Metacognitive Competence, Environment, And Learning Motivation Increase Students’ Academic Achievement Of Bhakti Mulia Health Polyte”, Indonesian j. on Med. Sci., vol. 2, no. 1, Apr 2015.