Analisis kebijakan BUMN tentang penugasan kepada anak perusahaan ditinjau dari perspektif hukum persaingan usaha (kajian terhadap penugasan PT. PLN (Persero) kepada PT. Haleyora Power di bidang pemborongan pekerjaan (alih daya) operasi dan pemeliharaan transmisi dan distribusi) = The analysis of BUMN policy on assignment to subsidary seen from the perspective of competition law study on the assignment of PT. PLN persero to PT. Haleyora Power in the field of operation and maintenance outsource in transmission and distribution