C. Rahardja, D. Anandya, and A. Setyawan, “The Effect of Perceived Customer Effectiveness of Green as Moderator Variable on Eco-Friendly Practices, Green Image and Customer Attitudes in a Canteen at University of Surabaya”, Jurnal Aplikasi Manajemen, vol. 16, no. 1, pp. 45–50, Mar. 2018, doi: 10.21776/ub.jam.2018.016.01.06.