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p k sen sarma
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Cilt sonuçları
A manual of forestry extension education
Lalit Kumar Jha, P. K. Sen-Sarma · APH
386 sayfa · 1997
Forestry schools and education / Forestry extension
Studies on wood destroying termites in relation to natural termite resistance of timber
P. K. Sen-Sarma · Forest Research Institute & Colleges
187 sayfa · 1975
Termites / Trees / Diseases and pests