Chemistry brief notes @Ethio_Students_only @Ethio_Students_on | Ethio Students Books(Grade 9-12 )

በቻናላችን የሚገኙ ጠቃሚ ነገሮች. ✅ entrance exam. ✅extreme book & referance book. ✅Textbook ( 9-12 ). ✅Teachers Guide (9-12). ✅worksheet ( 9-12). ✅students info እ�...