Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 Donny Ambara Putra, Ida Bagus, Suarda, Made, DAN Sucipta, Made. " Pengaruh Variasi Panjang Langkah Katup Tekan Terhadap Unjuk Kerja Pompa Hidram" Teknik Desain Mekanika [Online], Volume 7 Nomor 3 (1 July 2018)