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		Hadi Chandra, Wibisana, 		Swamardika, I.B Alit, AND 		Maharta Pemayun, A.A Gede.
" ANALISIS PENGGUNAAN DDC PADA SISTEM HVAC UNTUK MENINGKATKAN PENGHEMATAN KONSUMSI ENERGI DI HOTEL LANGHAM DISTRICT 8 SCBD JAKARTA" <em>Jurnal SPEKTRUM</em> [Online], Volume 7 Number 3 (5 September 2020)