Warning: ini_set(): Session ini settings cannot be changed when a session is active in /var/www/osjournal.org/ojs/lib/pkp/classes/session/SessionManager.inc.php on line 71

[1]

T. Pahwa, “Developing Helical Grooved Drill Pipe for Increased Drive and Mud Pump Efficiency”, OSJ, vol. 3, no. 4, Oct. 2018.