Behrooz KeshtegarShafika Sultan AbdullahYuk Feng HuangMandeep Kaur SaggiKhaled Mohamed KhedherZaher Mundher Yaseen2025-01-032025-01-032022-02-1710.1007/s00704-022-03954-4https://dspace-cris.utar.edu.my/handle/123456789/9900Reference evapotranspiration prediction using high-order response surface methodjournal-article