Darmanto, Darmanto, et al. “MODEL BAURAN ORIENTASI STRATEGI BERBASIS LINGKUNGAN DALAM MEMPERCEPAT KINERJA UMKM”. Prosiding Seminar Nasional & Call for Paper STIE AAS, vol. 2, no. 1, Sept. 2019, pp. 139-4, https://prosiding.stie-aas.ac.id/index.php/prosenas/article/view/36.