46019 contract law/ Ikub/ presumption of payment/ period of limitation contract law Federal supreme court of Ethiopia cassation decisions volume 10 presumption in contract law የእቁብ ገንዘብ ይከፈለኝ ጥያቄ በይርጋ ደንብ የሚገዛ እንጂ በፍ/ብ/ህ/ቁ 2024 ሥር በተመለከተው የህሊና ግምት የሚሸፈን ስላለመሆኑ የፍ/ብ/ሕ/ቁ. 2024 Download Cassation Decision