Use of drones in herbicide spot spraying: a systematic review - de Lemos Nobre, Felipe Luiz; Santos, Reginaldo Ferreira; Herrera, Juan Lopez; de Araujo, Ana Luiza; Johann, Jerry Adriani; Gurgacz, Flavio; Cruz Siqueira, Jair Antonio; Prior, Maritane (Advances In Weed Science, 2023)