Arif, M., and N. Nuryanto. “STRATEGI OPTIMALISASI PENERAPAN SECURITY OUTSORCING DAN SECURITY LOKAL PADA PT WIDODO MAKMUR PERKASA FARM CARIU”. IKRAITH-EKONOMIKA, Vol. 6, no. 2, Nov. 2022, pp. 322-31, https://ojs.upi-yai.ac.id/index.php/IKRAITH-EKONOMIKA/article/view/2862.