V. Miladiyah and R. Ainul Hidayati, “ Analisis Pengaruh Implementasi Key Performance Indicator (KPI) dan Beban Kerja Terhadap Turnover Intention di PT Cemerlang Hajar Aswad Tour & Travel Gresik”, AJEKBS, vol. 8, no. 8, pp. 4101–4119, Aug. 2026.