Riksaning Ayu, Kilau, and Bambang Supartoko. “Strategi Perusahaan Sido Muncul Dalam Pengembangan Kegiatan Corporate Social Responsibility”. Warta Ikatan Sarjana Komunikasi Indonesia, vol. 3, no. 01, June 2020, pp. 1-12, https://doi.org/10.25008/wartaiski.v3i01.47.