Rácz, BarbaraKotroczó, ZsoltVincze, GyörgyDobi, LászlóPosta, József2011-04-292011-04-292010Studia Universitatis Vasile Goldis Arad, Seria Stiintele Vietii. -20 : 4 (2010), p. 67-74. -Stud. Univ. "Vasile Goldiş" Arad, Ser. Ştiinţ. vieţii. - 1584-23631584-2363http://hdl.handle.net/2437/105459Biotic index at secondary education level and its adaptation in the sustainable development (Hungary)folyóiratcikkopen access journalhttp://webpac.lib.unideb.hu:8082/ebib/CorvinaWeb?action=cclfind&resultview=long&ccltext=idno+BIBFORM016484TermészettudományokKémiai tudományokhttp://www.scopus.com/inward/record.url?eid=2-s2.0-78951490031&partnerID=40&md5=311da9bee6c4e23ef98c7574689ab854Vasile Goldis Western University, Aradhttp://www.studiauniversitatis.ro/v15/pdf/20-2010/20-4-2010/SU20-4-10Racz.pdf2017-12-01