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		Agung Yana, Anak Agung Gde, 		Yudha Astana, Nyoman, AND 		Kusuma Wijaya, Made Adhi.
" ANALISIS OPTIMASI SEBAGAI LANGKAH AWAL DALAM INVESTASI PENYEWAAN ALAT BERAT" <em>JURNAL SPEKTRAN</em> [Online], Volume 8 Number 2 (30 July 2020)