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Misinterpretasi Konteks Dunia Nyata dalam Memecahkan Masalah Literasi Matematis Galatea, Chusnul; Ah, Nurul Imamah; Rhomdani, Rohmad Wahid; Agustin, Anisa Dwi; Nuriyah, Sinta
Jurnal Axioma : Jurnal Matematika dan Pembelajaran Vol. 9 No. 2 (2024): Juli
Publisher : Universitas Islam Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56013/axi.v9i2.2843

Abstract

This study employs a qualitative approach to describe junior high school students' interpretative abilities in solving mathematical literacy problems. The sampling technique used in this research is purposive sampling. Credibility testing is conducted through source triangulation, which is used to test the credibility of data by cross-checking data obtained from several sources. The results of this study indicate that both subjects, S1 and S2, utilize real-world contexts to check the reasonableness of their answers, provide arguments, and set solution boundaries. However, the use of real-world contexts in interpreting mathematical literacy problems is insufficient to produce correct answers. Misinterpretation of the real-world context by both subjects leads to an inability to appropriately link mathematical concepts with their real-world applications. This study highlights that, in addition to using real-world contexts, a good understanding of mathematical concepts is essential for correctly solving mathematical literacy problems. Keywords: misinterpretation, real-world context, mathematical literacy problems
Penatalaksanaan Radioterapi Kanker Paru-paru dengan Teknik Intensity Modulated Radiation Therapy (IMRT) : Lung Cancer Radiotherapy Management with Intensity Modulated Radiation Therapy (IMRT) Technique Raihan, Muhammad; Hasanah, Risska; Dewi, Dewi; Sabrina, Ratu; pramana, Dwi Rangga; Alfattah, Rasya; Agustin, Anisa Dwi; Maulina, Intan
Elektriese: Jurnal Sains dan Teknologi Elektro Vol. 16 No. 01 (2026): Call for Papers April 2026
Publisher : Yayasan Cita Cendekiawan Al Khwarizmi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/elektriese.v16i01.7258

Abstract

Lung cancer is one of the leading causes of cancer death worldwide, with mortality rates continuing to rise annually. According to WHO data in 2021, approximately 1.8 million deaths were caused by lung cancer, making it a significant global health problem. In Indonesia, the prevalence of lung cancer is also increasing, especially in the elderly and among active and passive smokers. Radiotherapy is one of the main modalities in the management of lung cancer, especially for patients who cannot undergo surgery. With technological advances, Intensity-Modulated Radiation Therapy (IMRT) was developed to improve the precision of radiation dose delivery while still protecting healthy tissue around the tumor. This study aims to systematically review the literature on the effectiveness and safety of Intensity-Modulated Radiotherapy (IMRT) compared with conventional techniques, such as Three-Dimensional Conformal Radiotherapy (3D-CRT). The method used was a Systematic Literature Review (SLR) following the PRISMA 2020 guidelines for international articles published in the last five years (2019–2024). Research results show that IMRT can reduce radiation doses to vital organs such as the heart, contralateral lung, and spinal cord, while reducing cardiopulmonary toxicity without compromising tumor control. IMRT derivative techniques such as Volumetric Modulated Arc Therapy (VMAT) and Simultaneous Integrated Boost IMRT (SIB-IMRT) have also been shown to improve radiation accuracy and patient quality of life. IMRT is an important innovation in radiation oncology that is effective, safe, and has the potential to become the gold standard for lung cancer radiotherapy in the future.