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All Journal Berkala Perikanan Terubuk Pendas : Jurnah Ilmiah Pendidikan Dasar JURNAL MathEdu (Mathematic Education Journal) Majalah Ilmiah METHODA
Muhammad Razali
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Agriculture, Biological Sciences & Forestry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Mathematics Medicine & Pharmacology Public Health Other

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ANALYSIS OF THE POTENTIAL DEVELOPMENT OF MANGROVE FOREST ECOTOURISM IN KAMPUNG SUNGAI KAYU ARA, SIAK DISTRICT, RIAU PROVINCE Dessy Yoswaty; Irwan Effendi; Nursyirwani Nursyirwani; Joko Samiaji; Muhammad Razali
Berkala Perikanan Terubuk Vol 49, No 1 (2021): Februari 2021
Publisher : Fakultas Perikanan dan Kelautan, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/terubuk.49.1.775-787

Abstract

The mangrove forest ecosystem in Sungai Kayu Ara Village, Sungai Apit Subdistrict, Siak Regency, Riau Province has a unique or distinctive appeal, which has the potential to be developed as a mangrove forest ecotourism destination. The research objective was to analyze the potential for developing mangrove forest ecotourism in Sungai Kayu Ara Village in realizing sustainable mangrove forest conservation. The method used in this research is the survey method, which was carried out in May-July 2020. Mangrove density data was taken using the line transect plot technique, which consists of 3 observation transects. Each transect has 3 plots, each plot measuring 10 x 10 m2. The identification results found 6 types of mangroves that grow in the mangrove forest area of Sungai Kayu Ara Village, namely Rhizophora apiculata, Avicennia alba, Bruguiera gymnorrihiza, Sonneratia alba, Nypa fruticans, and Xylocarpus granatum. The mangrove density value is 1234 ind / ha. The average value of the Tourism Suitability Index (IKW) is 76.75%. (S2 category), which is suitable for development as a mangrove forest ecotourism area. Mangrove forest ecotourism development strategies based on SWOT analysis include 1) Increasing stakeholder cooperation for mangrove forest conservation; 2) Developing facilities and infrastructure for the development of mangrove forest ecotourism; 3) Provision of information and promotion of manrove ecotourism through print and electronic media; and 4) Increased quality of skilled and skilled human resources for the development of mangrove forest ecotourism.
Deret Fourier dengan Pendekatan Numerik Menggunakan Metode Trapezium Muhammad Razali; Cut Latifah Zahari
Majalah Ilmiah METHODA Vol. 14 No. 2 (2024): Majalah Ilmiah METHODA
Publisher : Universitas Methodist Indonesia

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Abstract

Fourier series has the ability to decompose a periodic function into a collection of sine and cosine wave sums. Another way to express a function into an infinite series is with the Maclaurin series or Taylor series but both of these series require that the function must have the first derivative, the second derivative and so on of the function is defined at its expansion point and there must be no discontinuity value at that point. However, the advantage of the Fourier series is that we can decompose the function into an infinite series containing the sum of sine and cosine terms even though the function cannot be differentiated and has discontinuity at some points. The Fourier series equation of an analytical function is obtained by first finding the values ​​of the Fourier coefficients using analytical integrals. In the case of functions formed from numerical data that are assumed to have a periodic pattern, the Fourier series formula that uses analytical integrals to find its Fourier coefficients can no longer be used so that the numerical approach using the Trapezium method is an alternative that allows us to find the Fourier series equation for a periodic function expressed numerically. We use 12 points as the basis for the calculation in the Trapezium method to approximate the Fourier series numerically. This paper presents a numerical approach to solve the problem.
GENDER-BIAS DALAM INTERAKSI PEMBELAJARAN: ANALISIS PENYEBAB RENDAHNYA PARTISIPASI BELAJAR MURID LAKI-LAKI DI KELAS DI SMA NEGERI 1 PANYABUNGAN Kartika, Syahra; Adji Putrah; Muhammad Razali; Isla Khairani; Khafifah Nur Rangkuti; Alia Arfina; Rinawanti Tan; Ramandha Putri Daulay; Putri Wahyuni Nasution
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 01 (2026): Volume 11 No. 01 Maret 2026 Publish
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i01.42975

Abstract

This study aims to analyze gender bias in classroom interaction and the factors contributing to the low participation of male students in classroom learning at SMA Negeri 1 Panyabungan. This research employed a qualitative approach using a case study design. Data were collected through observation, in-depth interviews, and documentation. The findings indicate that teachers tend to be more responsive to female students in classroom discussions, academic appreciation, and verbal interaction. Furthermore, gender stereotypes, teacher communication patterns, and classroom learning culture influence the low participation of male students. The study concludes that gender bias in classroom interaction contributes to unequal learning participation and highlights the need for more inclusive and gender-responsive teaching strategies.
PENGARUH PENDEKATAN REALISTIC MATHEMATICS EDUCATION (RME) BERBASIS ETNOMATEMATIKA TERHADAP KEMAMPUAN BERPIKIR KRITIS MATEMATIS SISWA Yulia Tiara Tanjung; Muhammad Razali
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 2 (2026): JURNAL MathEdu (Mathematic Education Journal) Juli 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i2.8204

Abstract

This research is motivated by the low mathematical critical thinking skills of students. Mathematical critical thinking ability is an important skill in mathematics education. This study aims to determine the effect of the RME approach based on ethnomathematics on mathematical critical thinking ability. The method used in this research is quantitative, with the type of research being Quasi-Experimental, and the research design is a Pretest-Posttest Control Group Design. The population of this study is the students of SMPN 1 Besitang, grade VIII. The sampling was done using the Simple Random Sampling technique. The sample used was class VIII/1 with 32 students as the experimental class and class VIII/2 with 32 students as the control class. The data collection technique used a test instrument given before (pre-test) and after (post-test) the implementation of the research. The data analysis technique used the Mann Whitney U test because the data were not normally distributed. The research results showed: (1) the average pre-test score of mathematical critical thinking skills before applying the PMRI approach based on ethnomathematics for the experimental class was 27.1 while for the control class it was 24.5. (2) The average post-test score of mathematical critical thinking ability after applying the PMRI approach based on ethnomathematics for the experimental class was 62.47, whereas for the control class it was 41.89, (3) the results of data processing using the Mann Whitney U test obtained an Asymp. Sig value of 0.000 < 0.05, so H0 is rejected and H1 is accepted, thus it can be concluded that there is an effect of the RME approach based on ethnomathematics on students' mathematical critical thinking ability. (4) The results of the homogeneity test of both classes show that they do not have different variances or the data is homogeneous.
Co-Authors Adji Putrah Alia Arfina Dessy Yoswaty Irwan Effendi Isla Khairani Joko Samiaji Kartika, Syahra Khafifah Nur Rangkuti Nursyirwani, Nursyirwani Putri Wahyuni Nasution Ramandha Putri Daulay Rinawanti Tan Yulia Tiara Tanjung Zahari, Cut Latifah