Olorungbeja, J. A. (2019). Numerical taxonomic study of Ipomoea species in Southwestern Nigeria. Obafemi Awolowo University.
Čikaški stil citiranja (17. izdanje)Olorungbeja, John Adewumi. Numerical Taxonomic Study of Ipomoea Species in Southwestern Nigeria. Obafemi Awolowo University, 2019.
MLA način citiranja (9. izdanje)Olorungbeja, John Adewumi. Numerical Taxonomic Study of Ipomoea Species in Southwestern Nigeria. Obafemi Awolowo University, 2019.
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