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3. P. S. S. Thampi, Capsicum: the genus Capsicum medicinal and aromatic plants - industrial profiles, edited by A. K. De (Taylor& Francis e-Library. New York, 2004).
4. N. Tjahjadi, Seri Budidaya Cabai. (Kanisius, Yogyakarta, 1991).
5. Characterization of Capsicum species using anatomical and molecular data