Samudro, Andreas, Ujang Sumarwan, Megawati Simanjuntak, and Eva Z Yusuf. 2019. “Building the Relationship Quality Model: An Investigation of the Chemical Industry”. MIX: JURNAL ILMIAH MANAJEMEN 9 (3). Jakarta, Indonesia:528-43. https://doi.org/10.22441/mix.2019.v9i3.010.