ะะพะผะผะตะฝัะฐัะธะธ:
PDF bur di jaba sun ..๐๐๐
ะัะฒะตัะธััDada PHED JE CIVIL r syllabus khon diboโค
ะัะฒะตัะธััPollution control board exam karone environment engineering mcq next part tu upload kori dibo
ะัะฒะตัะธััDEAR SIR ..Sound quality variation ahi thake hig low ..low to high..kindly mic to improve koribo ...baki content best
ะัะฒะตัะธััWe need your help sir Kindly make videos for important Q for All important subject thank you โค๏ธ
ะัะฒะตัะธััWritten Exam katia le schedule hbo pare for PHED?
ะัะฒะตัะธััSyllabus ot ENVIRONMENT ENGINEERING Nai dekhu AE post PHED
ะัะฒะตัะธัั