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Alben Ambarita, Alben and Dewi, Ratna and Caswita, Caswita and Arwin Subakti, AS and Wahyudi, Apri (2020) THE DEVELOPMENT OF WORKSHEET BASED ON PROBLEM BASED LEARNING – THINKING MAPS STRATEGY TO INCREASE THE CRITICAL THINKING OF PRIMARY STUDENTS. International Journal of Psychosocial Rehabilitation, 24 (6). pp. 7251-7262. ISSN 1475-7192
Nurdjanah, Siti and Murhadi, Murhadi and Sugiharto, R. and Dewi, Ratna and Yustiana, Anisa (2019) Antioxidant Activity Test and Preference Level of Various Clones of Sweet Potato Leaves (Ipomea batatas). In: SEMINAR NASIONAL TEKNOLOGI PERTANIAN VIII POLITEKNIK NEGERI LAMPUNG 2019, 07 Nov 2019, BANDAR lAMPUNG, LAMPUNG. (Submitted)
Nurdjanah, Siti and Yuliana, Neti and Nawansih, Otik and Dewi, Ratna (2019) Sweet potato greens ‘neglected vegetables rich in bioactive compounds’ (part I): radical scavenging activity, inhibitory effect on a- amylase, total phenolic and flavonoid contents of local sweet potato (Ipomoea batatas) leaves. Conference Proceeding of 2nd ICGAB 2018. pp. 296-300. ISSN 978-602-74352-5-4
Dewi, Ratna and Utomo, Setyo Dwi and Kamal, Muhammad and Timotiwu, P.B. and Nurdjanah, Siti (2019) Genetic and phenotypic diversity, heritability, and correlation between the quantitative characters on 30 sweet potato germplasms in Lampung, Indonesia. Biodiversitas Journal of Biological Diversity, 20 (2). pp. 380-386. ISSN 1412-033X
Nurdjanah, Siti and Yuliana, Neti and Dewi, Ratna (2019) Some Physiological Characteristics and Bioactive Compounds of Sweet Potato Leave. International Journal of Science and Research (IJSR), 8 (1). pp. 416-418. ISSN 2319-7064
Dewi, Ratna and Utomo, Setyo Dwi and Kamal, M. and Timotiwu, P.B. and Nurdjanah, Siti (2019) Similarity: Genetic and phenotypic diversity, heritability, and correlation between the quantitative characters on 30 sweet potato germplasms in Lampung, Indonesia. Biodiversitas. 20(2): 380-386..
Dewi, Ratna and Utomo, Setyo Dwi and Kamal, Muhammad and Timotiwu, P.B. and Nurjanah, Siti (2018) Genetic diversity, heritability and correlation between the quantitative characters on 30 sweet potato germplasms in Politeknik Negeri Lampung, Indonesia. In: International Conference on Biodiversity, 28-30 September 2018, Bogor. (In Press)
Nurdjanah, Siti and Yuliana, Neti and Nawansih, Otik and Dewi, Ratna (2018) Similarity: Sweet potato greens ‘neglected vegetables rich in bioactive compounds’ (part I): radical scavenging activity, inhibitory effect on a- amylase, total phenolic and flavonoid contents of local sweet potato (Ipomoea batatas) leaves. Conference Proceeding of 2nd ICGAB 2018. pp. 296-300. ISSN 978-602-74352-5-4.
Dewi, Ratna and Utomo, Setyo Dwi and Timotiwu, Paul B. and Nurdjanah, Siti Genetic and Phenotypic diversity, heritability and Correlation Between the quantitative characters on 30 sweet potato Germplamps in Lampung Indonesia. Universitas Lampung, Bandar Lampung. (Unpublished)