مواد مشابهة: The tin mines and the mining industries of Perak and other papers /
موضوع: Tin mines and mining
- Xi ri hui huang: cai beng cai xi gong ye de li cheng yu zhong jie /
- PRODUCTION OF GLASS-CERAMICS FROM TIN SLAG AND WASTE GLASS : A PIONEER STUDY /
- IPOH WHEN TIN WAS KING.
- Determination of Arsenic Levels in abandoned Tin-mining Pools within Perak, Malaysia and its treatment using Electrocoagulation (EC) method /
- The Malayan tin industry to 1914, with special reference to the states of Perak, Selangor, Negri Sembilan and Pahang /
- Papan Section Mine : a tin mine in the Kinta Valley /
موضوع: Rice
- Krian padi survey /
- A Report on paddy and paddy-field fish production in Krian, Perak /
- Padi survey : Seberang Perak (Stage 1) /
- Kursus dalam khidmat untuk pegawai-pegawai pertanian Jabatan Pertanian Negeri Perak : tanaman padi /
- Agro-economic survey of padi areas in Krian, Perak /
- Costs and returns to padi production in Perak /