Quantity survey (QS) කරන උන්ට වටින පොත්...
ඇතුළට ඇවිත් බා ගනිල්ලා...
SMM7
http://www.mediafire.com/download/6k2i8v0pvjv8oye/SMM7.pdf
CESMM3
http://www.mediafire.com/download/y58oapekvcdb5fv/CESMM3.pdf
SLS 573
http://www.mediafire.com/download/ujfbm4a3lsfuod1/SLS_573.pdf
ඇතුළට ඇවිත් බා ගනිල්ලා...
SMM7
http://www.mediafire.com/download/6k2i8v0pvjv8oye/SMM7.pdf
CESMM3
http://www.mediafire.com/download/y58oapekvcdb5fv/CESMM3.pdf
SLS 573
http://www.mediafire.com/download/ujfbm4a3lsfuod1/SLS_573.pdf
