“PENGEMBANGAN PROFESIONALISME WIDYAISWARA MELALUI PENELITIAN ILMIAH KEDIKLATAN”. Swara Patra : Majalah Ilmiah PPSDM Migas, vol. 6, no. 1, Dec. 2016, https://dev-ejurnal.ppsdmmigas.id/sp/index.php/swarapatra/article/view/105.