“PERANCANGAN ALAT PENUKAR KALOR MENGGUNAKAN HARGA FOULING FUNGSI WAKTU DAN KONDISI OPERASI BEDA TEMPERATUR RATA-RATA KONSTAN”. Jurnal STT Yuppentek, vol. 9, no. 1, Oct. 2018, pp. 27-34, https://ijc.ilearning.co/index.php/sttyuppentek/article/view/597.