Purwoseputro, Aji, 		Elysia, Ariella, 		Mahardika, Brigita, 		Nugraha, Dona, AND 		Sebastian, Steven.
" Determinan Perubahan Jumlah Tenaga Kerja di Perusahaan Hulu Migas Indonesia" <em>Indonesian Business Review</em> [Online], Volume 1 Number 2 (17 January 2020)