Alazragh ع.ا.أ. , Geheder م.ع. , Omar ع.ا.ب. and Faraj ف.ا. 2021. Study of some indicators of olive production for a selected sample of farmers in the city of Tarhuna. Journal of Pure & Applied Sciences . 20, 2 (Sep. 2021), 41–48. DOI:https://doi.org/10.51984/jopas.v20i2.1451.