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CO2 Emission and Absorption Estimation in Bandung City by Implementing CO2 Emission Rate Reduction Simulation Using the Stella Program Natalia Christiani; Yayat Hidayat; Sutrisno Trisno
3BIO: Journal of Biological Science, Technology and Management Vol. 3 No. 1 (2021)
Publisher : School of Life Sciences and Technology, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/3bio.2021.3.1.4

Bandung CO2 emissions continue to increase in line with its population. The emissions source comes from the industrial, transportation, Liquefied Petroleum Gas (LPG), household, and livestock sectors, whereas CO2 absorption only comes from vegetation through photosynthesis. High CO2 emissions could decrease air quality and reduce environmental health. This study aims to estimate the amount of CO2 emissions and their absorption in Bandung by implementing CO2 Emission Rate Reduction Simulation (CERRS). The simulation comprises four scenarios, namely substitution of vehicle fuel and the application of smart driving techniques, optimization of waste processing in IWPS, processing 90% of livestock waste into biogas, and green space development of 30% of Bandung City area. Estimated CO2 emission and absorption rates were calculated for the next 10 years (2021-2030) using the Stella program version 9.0.2. The results showed that without implementing the CERRS, the amount of CO2 emissions in Bandung in 2030 was estimated to reach 10,983,666.82 tons while implementing the CERRS was 2,361,721.30 tons. Without implementing the CERRS, the estimated amount of CO2 absorptions in 2030 was 214,235.11 tons, while implementing the CERRS was 2,785,703.11 tons. It is expected that the application of the CERRS could reduce the level of CO2 emissions in Bandung by 78.5% and increase CO2 absorptions by 1,200.3%.

Potensi Ikan Barbir (Pethia conchonius) dan Lemon (Labidochromis caeruleus) Jantan dan Betina sebagai Predator Biologis Larva Nyamuk Aedes aegypti Hebert Adrianto; Etha Rambung; Natalia Christiani
Jurnal Kesehatan Andalas Vol 11, No 1 (2022): Online March 2022
Publisher : Fakultas Kedokteran, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jka.v11i1.1952

Fish as natural predators of mosquito larvae is a way of controlling mosquito larvae biologically that does not pose a risk to the health of organisms and environmental damage and overcoming the problem of mosquito resistance to chemical larvacide. One fish tested in the study was the rosy barb (Pethia conchonius) and lemon cichlid (Labidochromis caeruleus). Objectives: To analyzed a difference in the predation ability of male and female fish to the larvae. Methods: This was an experimental study in the laboratory with a post-test-only design and five replications. One aquarium contains one liter of water, one fish, and 25 larvae of Ae. aegypti. Fish testing starts in the afternoon at 15.00 WIB. Observation the predation time of the fish until the fish eat all the larvae. Results: The average predation time of male P. conchonius fish was 1.57 minutes, and the female was 76.05 minutes. The average predation time of male L. caeruleus fish was 36.72 minutes and for females, 22.08 minutes. There was a significant difference between the predation of the male and female P. conchonius fish groups. There was no significant difference between the predation of male and female L. caeruleus fish groups to Ae. aegypti larvae. Conclusion: Rosy barb (P. conchonius) and lemon cichlid (L. caeruleus) have the potential to control the larval population of the Ae. aegypti mosquito. Rosy barb male has faster predation ability than other fish.Keywords: Aedes aegypti, female, Labidochromis caeruleus, Pethia conchonius, male

LEVELS OF FINANCIAL LITERACY IN TERMS OF THE ETHNICITY, GENDER, RELIGION AND LOCUS OF CONTROL OF COLLEGE STUDENTS Romauli Nainggolan; Natalia Christiani; Novalita Fransisca Tungka
International Journal of Economics, Business and Accounting Research (IJEBAR) Vol 5, No 3 (2021): IJEBAR : Vol. 05, Issue 03, September 2021
Publisher : LPPM ITB AAS INDONESIA (d.h STIE AAS Surakarta)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/ijebar.v5i3.3054

During the pandemic, people must be adept in managing their private finances. Good money management skills are determined by the individual’s financial literacy. This research has five purposes. The first is to describe the level of financial literacy of college students. The second is to evaluate and analyze the different levels of financial literacy in terms of ethnicity. The third is to evaluate and analyze the different levels of financial literacy in terms of gender. The fourth is to evaluate and analyze the different levels of financial literacy in terms of religion. The fifth is to evaluate and analyze the different levels of financial literacy in terms of locus of control. This research samples 212 respondents majoring in English teacher training and education in four private universities. Because of this, this research evaluates the T value on the following variables: ethnicity, gender, religion, and locus of control. This research reveals a difference of financial literacy skills in terms of gender and locus of control. No different levels of financial literacy were found in terms of ethnicity and religion. In the future, there needs to be an improvement of financial literacy through formal and informal efforts. Keywords: ethnicity, Gender, religion, locus of control, financial literacy

Peningkatan Pembelajaran Student-Centered SMAK Santo Yusup Surabaya melalui Penataan Ruang Kelas Lya Dewi Anggraini; Natalia Christiani; Hebert Adrianto
Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Vol 5, No 1 (2020): March 2020
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/abdimas.v5i1.3100

One important factor in improving the quality of learning is the classroom atmosphere, which is formed through the activities carried out in it between the teacher and students with position, posture, and body language, as non-verbal communication, and the use of words, intonation, and pronunciation as verbal communication. Another important factor is the characteristics of the space where the activity takes place (setting). In applying the student-centered approach, which motivates students to learn more actively and not depend on the teacher, the role of a teacher is very important to always be able to improvise, exploit the potential and position, for the success of the teaching-learning process in schools. The purpose of activities in the field of interior science architecture community service at SMAK St. This framework is to strengthen the participation of teachers and students through the setting of learning spaces that support the establishment of communication as desired. The method used is observation of the physical environment and surveys of teachers and students about the communication experience and the convenience of learning on three subjects that are considered difficult, namely Chemistry, Biology, and English. The survey results show that effective verbal and non-verbal communication media between teachers and students and fellow students is triggered by the setting of the space outside the classroom, with more relaxed and enjoyable reasons, such as in a library room. This has a real impact on increasing student motivation in the form of subjects' likes and grades. Other results indicate an increase in teacher awareness that changes in varied learning space settings can support non-verbal communication with students. How to cite:Anggraeni, Lya Dewi. (2020). Peningkatan Pembelajaran Student-Centered SMAK Santo Yusup Surabaya melalui Penataan Ruang Kelas. Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang, 5(1),28-37.DOI: https://doi.org/10.26905/abdimas.v5i1.3100

PKM PELATIHAN PEMASARAN PRODUK KERUPUK IKAN PAYUS UD HIMMAH JAYA SIDOARJO Michael Ricky Sondak; Pramesti Sanicara; Natalia Christiani; Baswara Yua Kristama
Jurnal Abadimas Adi Buana Vol 6 No 01 (2022): Jurnal Abadimas Adi Buana
Publisher : LPPM Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/abadimas.v6.i01.a5283

Business development in culinary area requires marketing to be well known by customers. Online marketing nowadays can help many small businesses to be well known globally. This community service aims to provide marketing training for fish cracker products at UD Himmah Jaya in Sedati District, Sidoarjo. By implementing this program, UD Himmah Jaya will be able to improve their marketing strategy that has been done so far by utilizing social media. This training provided by highlighting the uniqueness of the product, utilizing the community and connections that have been established so far to be more productive.

THE RELATIONSHIP BETWEEN SHARED LEADERSHIP AND TEAM PERFORMANCE Tina Melinda; Natalia Christiani; Imelda Ritunga; Tony Antonio; Teofilus Teofilus
International Journal of Economics, Business and Accounting Research (IJEBAR) Vol 6, No 4 (2022): IJEBAR, Vol. 6 Issue 4, December 2022
Publisher : LPPM ITB AAS INDONESIA (d.h STIE AAS Surakarta)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/ijebar.v6i4.6714

A leader is a person who will lead an organization to achieve goals, by motivating its members to achieve good performance. Shared leadership is one of the leadership styles that can be used to achieve good performance, because shared leadership is to provide opportunities for its members to contribute to performance achievement. This study aims to determine the relationship between shared leadership which has two dimensions, namely Task Oriented Shared Leadership (TOSL) and Relation Oreinted Shared Leadership (ROSL) to team performance. The sample used in this study was 216 people from three universities in the cities of Surabaya, Manado and Jakarta. The result is that there is a relationship between shared leadership and team performance. High TOSL and ROSL will result in high team performance or vice versa.

Pengadaan Lomba Global Sustainovation Showcase Bagi Departemen Universitas Ciputra Surabaya Liliana Dewi; Christina Whidya Utami; Tommy Christian Efrata; Natalia Christiani; Christina; Liestya Padmawidjaja
Jurnal Leverage, Engagement, Empowerment of Community (LeECOM) Vol. 6 No. 1 (2024): Jurnal Leverage, Engagement, Empowerment of Community (LeECOM)
Publisher : Universitas Ciputra Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37715/leecom.v6i1.4711

Universitas Ciputra Surabaya sebagai universitas yang mencetak entrepreneur berlandaskan Integrity, Profesionalism, dan Entrepreneurship. Demi mendukung Universitas Ciputra Surabaya sebagai universitas unggul maka perlu diadakan lomba showcase beberapa negara yang merupakan international partner Universitas Ciputra seperti USA, Kolombia, Korea Selatan, UK, Swiss, dan Filipina. Lomba ini perlu dilakukan agar supaya sivitas akademika memahami budaya negara-negara partner dari Universitas Ciputra. Lomba ini diikuti seluruh departemen di Universitas Ciputra Surabaya. Hasil kegiatan ini membuat sivitas akademika lebih mengenal budaya dari beberapa negara yang sudah bekerja sama dengan Universitas Ciputra Surabaya tersebut. Hal ini juga sebagai ajang promosi pada mitra partner murid-murid SMA.

Development and Validation of Digital Literacy Scale for Prospective EFL Teachers Christiani, Natalia; Tungka, Novalita Fransisca; Nainggolan, Romauli
Edulitics (Education, Literature, and Linguistics) Journal Vol 9 No 2 (2024): December, 2024
Publisher : Prodi Pendidikan Bahasa Inggris, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Islam Darul Ulum Lamongan*

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52166/edulitics.v9i2.8211

Teacher’s digital literacy competence is crucially important in education nowadays, and a number of scholars have measured the quality of teacher’s digital literacy skills. The available instruments have been developed to assess digital literacy skills of adolescents and graduate school students, while digital literacy skills of prospective teachers have received little attention. This study aimed at developing and validating an instrument to measure digital literacy skills particular to prospective Indonesian EFL teachers. To this end, this study piloted a theoretical model based on a review of the related literature, interviews with Indonesian EFL learners majoring in English Language Education Department and EFL lecturers in East Java, North Sumatera, Central Sulawesi, West Kalimantan, West Papua, East Nusa Tenggara, and Bali. Later, the results were used to verify and develop the digital literacy scale. After developing the scale and administering it to 336 Indonesian EFL learners from seven cities in Indonesia, the researchers validated the scale through both exploratory and confirmatory factor analyses. This study exposes a comprehensive picture of prospective teachers’ digital literacy skills in EFL contexts in terms of eight factors: creative skill, technological skill, personal security skill, internet safety skill, problem-solving skill, informational skill, and communication or netiquette skill. This scale is a valid and reliable tool, and will be useful as an instrument on EFL teachers’ digital literacy skills. The final form of this scale can inform policy development, curriculum design, and training initiatives for prospective EFL teachers targeting digital literacy competence.

Development and Validation of Digital Literacy Scale for Prospective EFL Teachers Christiani, Natalia; Tungka, Novalita Fransisca; Nainggolan, Romauli
Edulitics (Education, Literature, and Linguistics) Journal Vol 9 No 2 (2024): December, 2024
Publisher : Prodi Pendidikan Bahasa Inggris, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Islam Darul Ulum Lamongan*

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52166/edulitics.v9i2.8211

Teacher’s digital literacy competence is crucially important in education nowadays, and a number of scholars have measured the quality of teacher’s digital literacy skills. The available instruments have been developed to assess digital literacy skills of adolescents and graduate school students, while digital literacy skills of prospective teachers have received little attention. This study aimed at developing and validating an instrument to measure digital literacy skills particular to prospective Indonesian EFL teachers. To this end, this study piloted a theoretical model based on a review of the related literature, interviews with Indonesian EFL learners majoring in English Language Education Department and EFL lecturers in East Java, North Sumatera, Central Sulawesi, West Kalimantan, West Papua, East Nusa Tenggara, and Bali. Later, the results were used to verify and develop the digital literacy scale. After developing the scale and administering it to 336 Indonesian EFL learners from seven cities in Indonesia, the researchers validated the scale through both exploratory and confirmatory factor analyses. This study exposes a comprehensive picture of prospective teachers’ digital literacy skills in EFL contexts in terms of eight factors: creative skill, technological skill, personal security skill, internet safety skill, problem-solving skill, informational skill, and communication or netiquette skill. This scale is a valid and reliable tool, and will be useful as an instrument on EFL teachers’ digital literacy skills. The final form of this scale can inform policy development, curriculum design, and training initiatives for prospective EFL teachers targeting digital literacy competence.

The Effect of Entrepreneurial Passion and Opportunity Awareness toward the Sustainability of Startup Businesses Nawir, Caroline Pratiwi; Christiani, Natalia
Jurnal Entrepreneur dan Entrepreneurship Vol. 8 No. 1 (2019): Jurnal Entrepreneur dan Entrepreneurship
Publisher : Universitas Ciputra Surabaya

The number of unemployment rate in Indonesia that has been decreasing is caused by the growth of entrepreneurship in Indonesia, which is proven by the number of startup businesses in Indonesia reaching the sixth highest worldwide. Nevertheless, startup businesses have high failure rate, where two of three established startup businesses cannot sustain. With purpose to find out the reason of this phenomenon, this research aims to find out whether entrepreneurial passion and opportunity awareness have significant effects to startup businesses’ sustainability. This research uses the startup businesses of Ciputra University’s 2015 batch students that have been running for minimum 2 years as the sample. These startup businesses are aimed to be able to represent startup businesses since from more than 200 startup businesses established, only 42 startup businesses that sustain. Questionnaires are distributed to the samples using 5-points Likert-scale, and the data collected is then analyzed using Multiple Linear Regression. The result shows that entrepreneurial passion has significant effect toward startup business sustainability, but it does not go the same way with opportunity awareness. Opportunity awareness does not affect significantly toward startup business sustainability since it needs to be converted into opportunity recognition and opportunity exploitation to give significant effects.

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