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- [42] Works experience of chainsaw operators in peat swamp forest plantation in increasing timber productivity and efficiency INTERNATIONAL CONFERENCE ON FOREST PRODUCTS (ICFP) 2020: 12TH INTERNATIONAL SYMPOSIUM OF IWORS, 2020, 935
- [48] FORECASTING PRODUCTIVITY OF IRRIGABLE LANDS - DISCUSSION TRANSACTIONS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, 1948, 113 : 567 - 576
- [49] THE PRODUCTIVITY OF PINE STANDS ON DEGRADED LANDS SCIENTIFIC PAPERS-SERIES E-LAND RECLAMATION EARTH OBSERVATION & SURVEYING ENVIRONMENTAL ENGINEERING, 2021, 10 : 76 - 84