Reviewer
Jonter Pandapotan Sitorus, Universitas Pelita Harapan, Indonesia
Roedy Silitonga, Universitas Pelita Harapan, Indonesia
Dr Aripin Tambunan, Universitas Pelita Harapan, Indonesia
Mrs Juliana Tirza, Pelita Harapan University
Mr Fransisco Budi Hardiman, Universitas Pelita Harapan
Mr fitzerald kennedy sitorus, Universitas Pelita Harapan
Mr Deni Telaumbanua, Universitas Pelita Harapan
Mrs Devy Walukau, Universitas Pelita Harapan