Hapzi Ali, S. R. S. (2017). The Influence of Workplace Spirituality and Oganizational Culture on Employee Engagement of Y Generation in PT. Krama Yudha Tiga Berlian Motors (KTB). International Journal of Social Sciences and Humanities Invention, 4(7), 3598–3606. https://doi.org/10.18535/ijsshi/v4i7.05