Hatumessen A, Titahelu N, Tupamahu C. ANALISIS EFEKTIVITAS PENUKAR KALOR PIPA HELIKAL DESTILASI MINYAK ATSIRI KAYU PUTIH. ale [Internet]. 17Aug.2021 [cited 5May2024];4:127-32. Available from: https://ojs3.unpatti.ac.id/index.php/ale/article/view/4137