Bangun, D. “Performance Analysis of Class Teachers in Kecamatan Batu Berak Lampung Barat Lesson Year 2014/2015”. Inovasi Pembangunan : Jurnal Kelitbangan, Vol. 3, no. 01, Apr. 2015, pp. 79-90, doi:https://doi.org/10.35450/jip.v3i01.84.