Palumian, Yonathan, et al. “The Influence of Product Class Knowledge and Environment Hostility to Relative Advantage With The Mediating Effect by Attitude Toward Change”. JURNAL COMPUTECH & BISNIS, vol. 18, no. 1, Oct. 2025, pp. 77-86, https://doi.org/10.56447/jcb.v18i1.272.