R. Said, N. Titahelu, and R. Ufie, “ANALISIS LAJU ALIRAN MASSA FLUIDA DINGIN TERHADAP EFEKTIVITAS PENUKAR KALOR SHELL AND TUBE DESTILLASI MINYAK ATSIRI CENGKEH (Syzygium aromaticum)”, ale, vol. 4, pp. 140-145, Aug. 2021.