Ranasinghe Malik
Mine restoration bond for clay mining and its impact on the prices of building materilas in Sri Lanka. - 1996 - 165-174. - .
Photocopy.
BUILDING MATERIALS
SRI LANKA
MINES AND MINING
CLAY
691(548.7) / R3
Mine restoration bond for clay mining and its impact on the prices of building materilas in Sri Lanka. - 1996 - 165-174. - .
Photocopy.
BUILDING MATERIALS
SRI LANKA
MINES AND MINING
CLAY
691(548.7) / R3