Yes, there r many articles about this topic, But u can use neem oil for controling of withefly development stages incloding egg, larve and adult.
Also, u can spray organic insecticidal soap on leaves surface and underside. Pay attention u, spray u pesticidal soap at a cooler time of the day and repeat u sprays for few days later.
For ecological reasons I would avoid any classical organic preparation. You can make use of aggregation pheromones against Thrips or preparation of mycopesticides (Beauveria bassiana Boverin TM, or Verticillum lucanii. Have a look at Maina et al, J. of Entomol. And Zoolo. Studies 6 (1): 27-32, 2018.
Collect the following leaves in equal propotion by weight.
Carica papaya, Datura metal, Aloe vera, Azadriachta indica, and Annona squamosa.Chop in to small pieces. Soak in cows urine for 15 days. Strain, mix with water @1:10 ratio and spray