Purwanto E, . S, Firdaus MA. “PENGARUH PELATIHAN TERHADAP PRODUKTIVITAS KERJA PETUGAS LAYANAN JALAN TOL PT JASA MARGA (PERSERO) Tbk CABANG JAGORAWI”. INOVATOR [Internet]. 2013 Mar. 10 [cited 2024 Nov. 15];2(1). Available from: http://150.107.142.43/index.php/INOVATOR/article/view/670