SUGIARTI, E. . PERAN KEPEMIMPINAN DALAM UPAYA MENINGKATKAN KUALITAS KERJA, DIDUKUNG DENGAN PENGUATAN SEMANGAT KERJA. SCIENTIFIC JOURNAL OF REFLECTION : Economic, Accounting, Management and Business, [S. l.], v. 5, n. 1, p. 133-140, 2022. DOI: 10.37481/sjr.v5i1.439. Disponível em: https://ojspustek.org/index.php/SJR/article/view/439. Acesso em: 3 nov. 2026.