published by Damascus University in 1999 in Biology and research's language is العربية
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Abstract in English
References used
Heath, D, J.,(١٩٧٥). Colour, sunlight and internal temperatures in the land snail Cepaea nemoralis (L.) Oecologia
Holly, C.H. (١٩٨٥). The distribution of land snail in northen Jordan. A thesis to the Yarmouk University
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