Chrisnugraha , Adi and Sugondo , Andreas Tikara and Edward , Joshua Hendra (2016) Fakta dan Penerapan CSR di Indonesia. Universitas Surabaya. (Unpublished)
Siamena, Agnes and Tikara, Andreas and Chrisnugraha , Adi and Sugianto, Andreas and Dharmasaputri, Christina and Winata, Felicia (2015) Pendekatan Social Comparison Theory terhadap Penyajian Laporan Keberlanjutan di Indonesia. Universitas Surabaya. (Unpublished)