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All Journal PRISMA Jurnal Riset Mahasiswa Matematika Eduvest - Journal of Universal Studies Multidisciplinary Indonesian Center Journal
Janah, Miftakul
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Model Matematika Vibrasi Dawai Dikenai Massa yang Berjalan di Atasnya Janah, Miftakul; Kusumastuti, Ari
Jurnal Riset Mahasiswa Matematika Vol 1, No 4 (2022): Jurnal Riset Mahasiswa Matematika
Publisher : Mathematics Department, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/jrmm.v1i4.14446

Abstract

This study discusses the formulation of a mathematical model of string vibration when subjected to mass. There are two variables resulting from the formulation of the model, namely the deflection of the string  and the angle of the string . The deflection of the string  and the angle of the string .  are affected by the friction force, tension force, spring force, and gravity. Then the identification of the working potential and kinetic energy is carried out to obtain the Lagrange equation of the deflection and angle of the string. Based on the formulation steps that have been described, the mathematical model obtained is an ordinary differential equation of the order of one to the power of two. Furthermore, the model is calculated numerically by assigning values to the parameters involved. So it is known that with a string mass of 0.005 kg, 0.05 kg, 0.5 kg, a string mass of 0.075 kg, and an object radius of 0.07 m, it is known that the deflection of the string  is greater if the object's mass is greater. While the angle of the string is in a state of equilibrium before being subjected to a mass and experiencing vibration after being subjected to a mass.
Analysis of Geometry Concept Sequence in Student Textbooks Based on Van Hiele's Theory Janah, Miftakul; Rahardi, Rustanto; Rahardjo, Swasono
PRISMA Vol 13, No 2 (2024): PRISMA
Publisher : Universitas Suryakancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35194/jp.v13i2.4033

Abstract

This study aims to analyze the order of textbooks based on van Hiele's theory. The research approach used is descriptive qualitative. The method used is content analysis or content study. The data subject in this research is junior high school mathematics textbook grade VIII curriculum 2013. The research was conducted by looking at the suitability of the characteristics at each van Hiele level with the textbook. Then if a discrepancy is found in the analysis, a solution is given according tZo the researcher's skills. The results showed that in general all the material "Surface Area of Cuboid and Cubes" in the Mathematics textbook of junior high school grade VIII curriculum 2013 material on the concept of surface area of cuboid and cubes has not fulfilled the order based on van Hiele's theory as a whole, namely there is an incomplete explanation in each level. The level of sequence analyzed in this textbook reaches level 2 (Ordering). So it is recommended for future research that the results of this analysis be used as a reference in teaching geometry material to students.
PENGEMBANGAN SUMBER DAYA MANUSIA DALAM MENINGKATKAN KUALITAS PENDIDIKAN DI SEKOLAH DASAR (STUDI KASUS DI SD ISLAM PERMATA MOJOSARI KAB. MOJOKERTO) Janah, Miftakul; Kurniawan, Satunggale; Rahman, Muhammad Afifi
Multidisciplinary Indonesian Center Journal (MICJO) Vol. 1 No. 2 (2024): Vol. 1 No. 2 Edisi April 2024
Publisher : PT. Jurnal Center Indonesia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62567/micjo.v1i2.96

Abstract

The quality of education of a nation is largely determined by the quality of human resources especially educators. Therefore, it is a necessity for every educational institution to improve the quality of teaching staff. The purpose of study are to find out how the development of human resources process from teacher staff to improve the quality education and how the supporting and inhibiting factors to impove the quality education at SD Islam Permata Mojosari. This study used a qualitative approach to the type of case study, which research is carried out at SD Islam Permata Mojosari. Data collection is done using techniques: interviews, observation, and documentation. While the data obtained were analyzed through several stages namely: Condensation, data display, and verification of conclusions as well as checking the validity of the data. The process of developing human resources educators has been going well, but there are still shortages here and there both in terms of implementation and evaluation of the results of the development.
Organizational Culture : Employee Perception of PT. Indomarco Prismatama Bantam, Dian Juliarti; Ardin, Muhammad Pratama; Shafira, Najwa; Janah, Miftakul
Eduvest - Journal of Universal Studies Vol. 4 No. 4 (2024): Journal Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v4i4.1113

Abstract

This study discusses the employees' perceptions of the organizational culture at PT. Indomarco Prismatama. Through a qualitative approach, this research highlights aspects such as the business environment, values, role models, rituals, and networking within the organization, as outlined by Deal and Kennedy (Bantam, Nugraha, & Sa’adah, 2016). The research method employed is phenomenology to understand employees' experiences related to work culture. The research findings indicate that collaboration, support, honesty, integrity, and discipline are important values applied within the company. Additionally, role models such as district business managers set motivating examples for employees. Company rituals and informal communication networks also play a role in strengthening the organizational culture. In conclusion, a positive organizational culture plays a key role in achieving common goals and maintaining a productive work environment.
Co-Authors Ardin, Muhammad Pratama Ari Kusumastuti Muhammad Afifi Rahman Rustanto Rahardi Satunggale Kurniawan Shafira, Najwa Swasono Rahardjo