Widiyastuti, umi and Purwana ES., D. (2015) “EVALUASI PELATIHAN (TRAINING) LEVEL II BERDASARKAN TEORI THE FOUR LEVELS KIRKPATRICK”, Jurnal Pendidikan Ekonomi Dan Bisnis (JPEB), 3(2), pp. 119–128. doi: 10.21009/JPEB.003.2.1.