Abdul Latief, 2011, Analysis of The Influence of Communication, Organizational Commitment, and Incentive to The Employee Performance at Kantor Pusat PT Perkebunan Nusantara I (Persero) Langsa, under the guidance of Prof. Dr. Rismayani, SE, MS. (chairman), Drs. M. Lian Dalimunthe, M.Ec., Ak....