H. . Harahap, D. . Andriani, D. P. . ES., and D. D. . Susita , Trans., “Key Factors Affecting Lecturer Productivity To Conduct Research ”, int.jour.sci.res.mana, vol. 8, no. 07, pp. 433–454, Jul. 2020, doi: 10.18535/ijsrm/v8i07.sh01.