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Literature Review: Universal Design for Learning (UDL) Approach of Chemistry Learning in Inclusion Schools Nurramadhani, Aisyah Zahra; Pratama, Kiki Putri Septya; Amelia, Lisa; Kusuma, Aldi; Erika, Farah
Hydrogen: Jurnal Kependidikan Kimia Vol 12, No 6 (2024): December 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i6.13636

Inclusive education is a promising way to create an equitable and high-quality education system that accepts all learners, including those with special needs. Universal Design for Learning (UDL) offers a flexible and dynamic approach to meet the various needs of learners, helping them to reach their full potential in education. This literature study aims to discover the application of the universal design for learning approach in chemistry learning. The research method used Narrative Literature Review (NLR), which uses the Google Scholar database to search for journal articles from the last ten years. The results of the literature show that applying the Universal Design for Learning approach in chemistry learning has a major influence in improving the learning experience and learning outcomes of students with special needs. Various interesting teaching materials such as learning videos, interactive games, and the application of E-modules are also used to support the learning process.

Literature Review: Universal Design for Learning (UDL) Approach of Chemistry Learning in Inclusion Schools Nurramadhani, Aisyah Zahra; Pratama, Kiki Putri Septya; Amelia, Lisa; Kusuma, Aldi; Erika, Farah
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 6 (2024): December 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i6.13636

Inclusive education is a promising way to create an equitable and high-quality education system that accepts all learners, including those with special needs. Universal Design for Learning (UDL) offers a flexible and dynamic approach to meet the various needs of learners, helping them to reach their full potential in education. This literature study aims to discover the application of the universal design for learning approach in chemistry learning. The research method used Narrative Literature Review (NLR), which uses the Google Scholar database to search for journal articles from the last ten years. The results of the literature show that applying the Universal Design for Learning approach in chemistry learning has a major influence in improving the learning experience and learning outcomes of students with special needs. Various interesting teaching materials such as learning videos, interactive games, and the application of E-modules are also used to support the learning process.

Phytochemical Profile and Antioxidant Activity of Bandotan (Ageratum conyzoides L.) Leaves from East Kalimantan Hajar, Ayu Iradha Umi; Indah, Marwa; Miranda, Esti; Nuraini, Indah; Kusuma, Aldi; Erika, Farah
Hydrogen: Jurnal Kependidikan Kimia Vol. 13 No. 3 (2025): June 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v13i3.16179

Ageratum conyzoides L. is a wild plant known to contain secondary metabolites with potential antioxidant activity, such as flavonoids and phenolics. However, the content and activity of active compounds in the leaves of A. conyzoides growing in the Berau region, East Kalimantan, have not been extensively studied. This study aims to evaluate the phytochemical content and antioxidant activity of ethanol extracts from A. conyzoides leaves collected from the Batu Putih area, Berau. The samples, in the form of fresh leaves, were dried and ground before being extracted using the maceration method with 96% ethanol as the solvent. The resulting extract was then subjected to phytochemical screening to identify groups of active compounds and tested for antioxidant activity using the DPPH (2,2-diphenyl-1-picrylhydrazyl) method, with absorbance measured at a wavelength of 420 nm. Phytochemical screening results indicated the presence of alkaloids, phenolics, and tannins, while flavonoids, terpenoids, and triterpenoids were not detected. The antioxidant assay showed that the extract exhibited strong activity, with an IC50 value of 61.89 ppm, although it was still higher than that of vitamin C, which had an IC50 value of 26.77 ppm. In conclusion, the ethanol extract of A. conyzoides leaves from Batu Putih has potential as a natural antioxidant source and is worthy of further development in the pharmaceutical field.

The Impact of Nickel Downstreaming Policy on Environmental Damage in Konawe Regency, Southeast Sulawesi Kusuma, Aldi; Baihaqqi, Dustin Ahmad; Salsabila, Defira Alya; Aji, Bintang Mahardika Pramanda; Iradhad Taqwa Sihidi
Journal of Environmental Economics and Sustainability Vol. 3 No. 2 (2026): February
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/jees.v3i2.1068

This study analyzes the ecological impacts of Indonesia’s nickel downstreaming policy on biodiversity and local ecosystems in Konawe Regency, Southeast Sulawesi, using a political ecology approach. A qualitative descriptive method was employed based on literature review and secondary data from policy documents, government reports, scientific publications, and environmental agency records. The analysis examined land cover change, habitat fragmentation, degradation of aquatic ecosystems, and power relations in nickel mining governance.The findings indicate that the expansion of downstream nickel industries has accelerated forest conversion, fragmented terrestrial habitats, increased river sedimentation, and reduced aquatic habitat quality, thereby threatening local biodiversity sustainability. These environmental pressures are closely linked to governance dynamics in which economic growth and state interests dominate decision-making, while environmental protection and conservation measures receive limited attention.From a political ecology perspective, the downstreaming policy reproduces unequal power relations that marginalize ecological considerations at the local level. The study concludes that the effectiveness of downstreaming should not be assessed solely through economic indicators but must incorporate ecological sustainability and biodiversity safeguards. Policy reform is required to integrate environmental carrying capacity, strengthen local monitoring mechanisms, and ensure more inclusive and balanced governance of resource extraction

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