Fadhlulrrhahman Surya Prayoga and Achmad Sholihin 2026. The Role of Human Resource Development and Motivational Factors in Improving Employee Performance at PT Aerofood Indonesia, Surabaya Unit . International Journal of Science and Environment (IJSE). 6, 2 (Jun. 2026), 929–934. DOI:https://doi.org/10.51601/ijse.v6i2.641.