@article {rafea1993development,
	title = {Development and implementation of a knowledge acquisition methodology for crop management expert systems},
	journal = {Computers and electronics in agriculture},
	volume = {8},
	number = {2},
	year = {1993},
	note = {n/a},
	pages = {129{\textendash}146},
	publisher = {Elsevier},
	abstract = {n/a},
	author = {Rafea, Ahmed and El-Dessouki, Ayman and Hesham Hassan and Mohamed, Soliman}
}
