Sofyan, Ade, Pupung Purnamasari, and Dendin Jaenudin. 2019. “Pengaruh Implementasi Pelatihan Terhadap Produktifitas Kerja Karyawan Di PT. Exedy Manufacturing Indonesia”. Business Innovation and Entrepreneurship Journal 1 (2), 102-7. https://doi.org/10.35899/biej.v1i2.31.