{{cite journal | last1=Karadöl | first1=H. | year=2023 | title=FLOW AND PRESSURE CONTROL OF A FIELD SPRAYER USING PID CONTROLLER | journal=Journal of Animal and Plant Sciences | volume=33 | issue=3 | pages=562-570 | doi=10.36899/JAPS.2023.3.0649 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=AG-21-0253}}