21961 labor dispute/ termination of contract of employment Labor dispute Termination of Contract of Employment Proclamation no. 377/2004 volume 4 Federal supreme court of Ethiopia cassation decisions የስራ ውልን ስለማቋረጥ አዋጅ ቁ. 377/96 አንቀፅ 27(1) ሐ Cassation 21961