| Ivanchev, I. (2009). Organizations & the web: activities of the gea chelonia foundation. Turtle and Tortoise Newsletter, 13, 27–28. |
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| Added by: Sarina Wunderlich 27 Nov 2011 14:28:08 UTC |
Pop. 2.5%
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| Ivanchev, I. (2012). Indian star tortoise (geochelone elegans) – several years of husbandry and breeding experience in bulgaria. Schildkröten im Fokus, 9(3), 1–17. |
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| Added by: Sarina Wunderlich 18 Nov 2012 17:43:33 UTC |
Pop. 2.75%
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| Ivanchev, I., & Tzankov, N. D. , Activities for tortoises’ conservation in bulgaria. Unpublished paper presented at Atelier international sur la gestion et la restauration des populations et habitats de la Tortue d’Hermann / International workshop on the management and restoration of Hermann’s tortoise populations and habitats. |
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| Added by: Admin 06 Jan 2014 18:24:39 UTC |
Pop. 4.75%
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