THE INFLUENCE OF ORGANIZATIONAL CULTURE AND LEADERSHIP STYLE ON EMPLOYEE PERFORMANCE WITH WORK MOTIVATION AS AN INTERVENING VARIABLE AT THE TRANSPORTATION OFFICE (DISHUB) TOBA DISTRICT - Tambunan, Friska Suriani; Rosita; Romy, Elly; Purba, Lenta Friska (International Journal of Advance Research and Innovative Ideas In Education, 2023)