18380 contract law/ civil procedure/ cause of action/ contract of sale Civil procedure code civil procedure cause of action contract law Federal supreme court of Ethiopia cassation decisions contract of sale volume 7 ውል ይጽደቅልኝ በሚል ለፍ/ቤት የሚቀርብ አቤቱታ የክስ ምክንያት የሌለው ስለመሆኑ የፍ/ብ/ሥ/ሥ/ህ/ቁ. 231/1//ሀ/ Cassation Decision no. 18380
