{{cite journal | last1=SIRIN | first1=Unal | author2=Mustafa OKUROGLU | year=2024 | title=EFFECTS OF NATURAL VENTILATION SYSTEM WITH UNDERGROUND PIPE ON CALF BARN CONDITIONS IN WINTER | journal=Journal of Animal and Plant Sciences | volume=34 | issue=3 | pages=547-556 | doi=10.36899/JAPS.2024.3.0741 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2022-JAPS-538}}