Sugiyanto, Sugiyanto and Badaruddin, Mohammad and Herpratiwi, Herpratiwi and untung, slamet and Sabarudin, Sabarudin The Influence of Learning Motivation on the Learning Outcomes of Vocational Students at Lampung University. SERSC Australia, http://sersc.org/journals/index.php/IJAST/article/view/8649.