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Use of Chemical and organic fertilizer in Sri Lanka (in Sinhala)

by Weeraratne, C.S.

Series: Science Education Series ; No.11 Language: Publication details: NARESA Colombo ; 1982Availability: No items available.

The Sri Lanka water buffalo

by Perera, B.M.O.A | Ranawana, S.S.E | Fernando,S.T | Jalathge, E | Kuruwita, V.Y | De Alwis, M.C.L | Welgama, D.J.

Series: Science Education Series ; No.31 Language: Publication details: NARESA Colombo Availability: Items available for reference: Staff Collection (1) .

Sri Lankawe Mee Gavaya

by Perera, B.M.A.O | Ranawana, S.S.E | Fernando, S.T | Jalathge, E | Kuruwita, V.Y | De Alwis, M.C.L | Welgama, D.J | NARESA.

Series: Science Education Series ; No.31 Language: Publication details: NARESA Colombo Availability: Items available for reference: Staff Collection (1) .

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