Susila, I Gusti Agung Yoga Bhaskara, AND Udiana, I Made. " Perlindungan Hukum Terhadap Hak-hak Security Outsourcing Menurut Putusan MK.NO.27/PUU-XI/2011 ( Studi Kasus di : PT Mandala Security )" Kertha Semaya : Journal Ilmu Hukum [Online], Volume 4 Number 2 (24 October 2018)