Items where Author is "Alfian, Umar"
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Article
Alfian, Umar and Ahmad, Haerul Al Qadri Hamka (2022) Optimalisasi pemeliharaan harbour mobile crane dan hopper dalam peningkatan pelayanan kegiatan bongkar muat di PT. Pelindo IV (Persero) Cabang Makassar. Pakkappala: Jurnal Ilmiah Kemaritiman, 1 (1): 2. pp. 8-13. ISSN 2962-0627