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Items where Author is "Ratnaningsih"
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Widodo, Ari and Rumanta, Maman and Ristasa, Rusna and Ratnaningsih and Rokhiyah, Isti and Rahayu, Ucu and Sekarwangi, Mestika (2014) Materi Kurikuler Biologi SMP. In: Organisme dan Keanekaragamannya. Universitas Terbuka, Jakarta, pp. 1-51. ISBN 9789790113466
Wirdjosoemarto, Koesmadji and Fitri, Apriliana and Lestari, Tuti and Rahayu, Ucu and Ratnaningsih (2009) Genetika. In: Hukum Mendel dan Pewarisan Sifat. Universitas Terbuka, Jakarta, pp. 1-56. ISBN 9789790113596
