OPEN University of Sri Lanka
Botany PSU11B2: Plant from and function, absorption, transport; mineral nutritio - Nugegoda The Open University of Sri Lanka 1985 - 159 p.
Plant ecology
581.78 / OPE
Botany PSU11B2: Plant from and function, absorption, transport; mineral nutritio - Nugegoda The Open University of Sri Lanka 1985 - 159 p.
Plant ecology
581.78 / OPE