Handika, M., A. Soleh, and R. Noviantoro. “The Influence of Work Environment and Self Esteem on Employee Performance at Directorate Prisoners and Evidence Bengkulu Police”. Jurnal Fokus Manajemen, Vol. 1, no. 1, May 2021, pp. 1-9, https://jurnal.unived.ac.id/index.php/fokusman/article/view/1731.