Nugroho, Ginanjar Setyo, et al. “Pelatihan Bisnis Dan Marketing Digital Berbasis Aplikasi WhatsApp Business Di SMA Sang Timur Yogyakarta”. Jurnal Pengabdian UNDIKMA, vol. 3, no. 3, Nov. 2022, pp. 507-14, doi:10.33394/jpu.v3i3.5948.