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21.
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The freshwater fauna and fisheries of Sri Lanka
by Fernando, C.H. Publisher: Colombo Natural resources, energy & science authority of Sri Lanka 0Availability: Items available for loan: Main Library [Call number: 591.95493 FER] (1).
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22.
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Social science research methodology : seminar report, 24th August-13th September 1980. Publisher: Colombo : Natural Resources, Energy & Science Authority of Sri Lanka, 1983Availability: No items available
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23.
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Social science research methodology : seminar report, 24th August-13th September 1980. Publisher: Colombo : Natural Resources, Energy & Science Authority of Sri Lanka, 1983Availability: Items available for loan: Main Library [Call number: 300.72 SRI] (1).
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24.
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A check - list of land snails of sri lanka Ranjini Ratnapail, K. D. Arudpragasam
by Arudpragasam, D. K | Ratnapail, Ranjini. Publisher: Colombo Natural Resources, Energy & Science Authority of Sri Lanka Availability: Items available for reference: Main Library [Call number: 594.3 RAT] (1).
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25.
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The genera of the freshwater algae of Sri Lanka Abeywickrama,B.A...(et.al)
by Abeywickrama,B.A...(et.al) | UNESCO. Publisher: Colombo Natural Resources, Energy & Science Authority of Sri Lanka 1986Availability: Items available for reference: Main Library [Call number: 589.3 UNE] (1).
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26.
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A check - list of land snails of Sri Lanka Ranjini Ratnapala, K.D.Arudpragasam
by Arudpragasam, K.D | Ratnapala, Ranjini | UNESCO. Publisher: Colombo Natural Resources, Energy & Science Authority of Sri Lanka Availability: Items available for reference: Main Library [Call number: 594.3 UNE] (1).
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27.
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Science investigations= விஞ்ஞான ஆய்வுகள் Publisher: Colombo Natural Resources, energy & Science Authority of Sri Lanka 1984Availability: Items available for reference: Main Library [Call number: 505 SCI] (1).
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28.
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A check - list of land snails of sri lanka Ranjini Ratnapala, K.D.Arudpragasam
by Arudpragasam, K.D | Ratnapala, Ranjini | UNESCO. Publisher: Colombo Natural Resources, Energy & Science Authority of Sri Lanka Availability: Items available for reference: Main Library [Call number: 594.3 UNE] (1).
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29.
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THE GENERA of the freshwater algae of sri lanka B.A. Abeywickrama...(et.al)
by UNESCO. Publisher: Colombo Natural Resources, Energy & Science Authority of Sri Lanka 1986Availability: Items available for reference: Main Library [Call number: 589.3 UNE] (1).
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30.
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THE GENERA of the freshwater algae of sri lanka B.A. Abeywickrama...(et.al)
by UNESCO. Publisher: Colombo Natural Resources, Energy & Science Authority of Sri Lanka 1986Availability: Items available for reference: Main Library [Call number: 589.3 UNE] (1).
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31.
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Seminar report : social science research methodology - 24th aug. - 13th Sep. 1980 /Natural Resources, Energy & Science Authority of Sri Lanka
by SRI LANKA. Natural Resources, Energy & Science Authority. Publisher: Colombo Natural Resources, Energy & Science Authority of Sri Lanka 1983Availability: Items available for loan: Main Library [Call number: 300 SRI] (1).
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