Ramawati, D., and H. Tridayanti. “THE EFFECT OF WORK COMMUNICATION, MOTIVATION AND DISCIPLINE ON EMPLOYEE PERFORMANCE PT. SEVEN SURABAYA JAYA IN SIDOARJO”. IJESS International Journal of Education and Social Science, Vol. 1, no. 1, Apr. 2020, pp. 1-15, doi:10.56371/ijess.v1i1.23.