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Lua i Stíl Chicago (17ú heag.)Baliton, Norma Bernal. Development, Tryout and Evaluation of Activities for High School Biology Using Centrosema Pubescens. 1979.
Lua MLA (9ú heag.)Baliton, Norma Bernal. Development, Tryout and Evaluation of Activities for High School Biology Using Centrosema Pubescens. 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.