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International Journal of Science and Environment
Published by CV. Inara
ISSN : -     EISSN : 28090551     DOI : https://doi.org/10.51601/ijse.v2i4
Core Subject : Science, Education, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Mathematics Physics
International Journal of Science and Environment (IJSE) is to provide a research medium and an important reference for the advancement and dissemination of research results that support high-level research in the fields of Science and Environment . Original theoretical work and application-based studies, which contributes to a better understanding all fields of Science and Environment. The aim and scope of the journal Chemistry, Chemical Analysis, Physical Chemistry, Physics, Biology, Ecology, Biodiversity, Zoology, Biochemistry, Mathematics, Environmental Science, Agriculture, Environment, Forestry.
Arjuna Subject : Biokimia, Genetika dan Biologi Molekuler - Biokimia, Genetika dan Biologi Molekuler (Lain-Lain)
Articles 382 Documents
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Proposed Marketing Strategy Using the 7P Marketing Mix to Strengthen Professionalism Based Brand Identity and Optimize Revenue: A Case Study of Klinik Tumbuh Kembang Anak Lalita Sekar Anandarri, Nindya; Perdhana Dalimunthe, Gallang
International Journal of Science and Environment (IJSE) Vol. 5 No. 4 (2025): November 2025
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v5i4.268

Abstract

This study examines the alignment between the professionalism value upheld by Klinik Tumbuh Kembang Anak Lalita and the service experience perceived by customers. Although the clinic positions itself as a professional pediatric developmental care provider, stagnating patient growth from 2021 to 2024 indicates a misalignment between intended brand identity and perceived service quality. The rising number of low-priced competitors further intensifies the need for a consistent value delivery strategy. This research employs a qualitative exploratory case study involving in-depth interviews with internal employees, existing patients, and potential customers (15 participants). Secondary data were obtained from Google Reviews, operational documents, and customer service records. Data were analyzed thematically using the 7P Marketing Mix (Product, Price, Place, Promotion, People, Process, Physical Evidence) as the guiding analytical framework. The findings reveal strong professionalism in clinical domains—particularly in the credibility of developmental pediatricians, psychologists, and therapists. However, significant gaps were identified in four non-clinical elements: Product, People, Process, and Physical Evidence. These include the absence of preventive and continuity care services, inconsistent communication quality, inefficient manual booking processes, and non-standardized physical facilities. Minor gaps were found in Price, Promotion, and Place, particularly regarding loyalty fairness, SEO performance, and access experience. The study concludes that the clinic’s clinical excellence has not been fully supported by operational and experiential consistency, resulting in weakened brand identity alignment. Strategic improvements in preventive service offerings, digitalized processes, service excellence training, and standardized physical environments are recommended to reinforce professionalism perception and improve revenue performance. This study contributes to service marketing literature by demonstrating the application of 7P-based alignment analysis in pediatric healthcare services.
Optimizing Service Quality Through a People, Process, and Technology Approach for Freelance Tour Guides (Case Study of Timotravel) Herman, Timotius; Ghazali, Achmad
International Journal of Science and Environment (IJSE) Vol. 5 No. 4 (2025): November 2025
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v5i4.270

Abstract

This study examines the factors that contribute to inconsistent service quality among freelance tour guides at Timotravel, a newly established Indonesian SME operating in the outbound travel industry. As the company relies heavily on freelancers due to financial constraints and fluctuating demand, variations in guide competence, destination knowledge, time management, and professionalism have resulted in lower customer satisfaction and reputational risks. Using a qualitative case study approach, data were collected through semi-structured interviews with customers and freelance tour guides who participated in recent tours. The research applies the People, Process, and Technology (PPT) framework combined with Business Process Management (BPM) to analyze root causes and identify improvement pathways. Findings reveal three major sources of service variability: (1) people-related issues, including insufficient soft skills, limited destination knowledge, and lack of standardized competency requirements; (2) process-related weaknesses, such as incomplete or non-contextual SOPs that fail to guide real-time decision-making; and (3) technology-related gaps, including the absence of integrated systems for briefing, feedback collection, and knowledge sharing. The analysis highlights that inconsistencies are not solely the result of individual shortcomings but stem from systemic misalignment within Timotravel’s service design. Based on these findings, this research proposes an integrated improvement model consisting of enhanced competency training, redesigned SOPs aligned with BPM Level 1–3 process mapping, and the implementation of basic technological support tools such as CRM-driven feedback tracking and digital guide briefings. These recommendations are expected to improve service consistency, optimize operational performance, and strengthen customer satisfaction. The study contributes to service science literature by demonstrating how a PPT-driven approach can be applied to SMEs with limited resources to standardize service delivery while leveraging freelance-based human resources.
The Influence of Organizational Culture, Leadership, And Digital Skills On Employee Performance In The Polyester Division of PT. Indo-Rama Synthetics Tbk Purwakarta Alfira, Risa; Sutisna, Deden
International Journal of Science and Environment (IJSE) Vol. 5 No. 4 (2025): November 2025
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v5i4.206

Abstract

Organizational culture, leadership, and the use of digital technology are key factors that influence the success of organizational change. When managed properly, these aspects can have a positive impact on improving both organizational and individual performance. This study aims to determine the influence of organizational culture, leadership, and digital skills on employee performance in the Polyester Division of PT. Indo-Rama Synthetics Tbk, Purwakarta. The research method used is a descriptive quantitative approach. The population in this study consisted of all employees, totaling 1,580 individuals, with a sample of 319 respondents determined using the Slovin formula. Data were collected through questionnaires and analyzed using multiple linear regression. The results of the study indicate that, partially, the variables of organizational culture and leadership have a positive but not significant effect on employee performance. Meanwhile, digital skills have a negative and significant effect. Simultaneously, all three variables have a significant effect on employee performance. Digital skills contribute the most to employee performance, followed by organizational culture and leadership. This study recommends the need for targeted and adaptive improvement of employees' digital capabilities, as well as strengthening organizational culture and leadership styles that support productivity in order to enhance employee performance optimally.
The Impact of Indonesian Language Module Utilization on the Vocabulary Acquisition Skills of Students at Serang Raya University Marliana Dewi, Lina; Wahyuddin, Wahyuddin; Erlina Gentari, Ratu
International Journal of Science and Environment (IJSE) Vol. 5 No. 4 (2025): November 2025
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v5i4.224

Abstract

This study investigated the impact of Indonesian language module utilization on vocabulary acquisition and speaking skills among Management Class A2 students at Serang Raya University, motivated by observed challenges in their verbal expression and communication benchmarks. Recognizing language's fundamental role in national development and effective communication, the research specifically aimed to ascertain the modules' influence on students' vocabulary acquisition. Utilizing a quantitative descriptive and correlational design, data were collected from 21 Management Class A2 students through Google Forms questionnaires, classroom observations, semi-structured interviews, and documentation analysis. The study assessed student perceptions of the Indonesian language module's effectiveness in improving vocabulary, its application, retention, and impact on writing skills, noting a majority of students actively used the module over extended periods. The study's findings unequivocally demonstrate a significant positive influence of Indonesian language modules on students' vocabulary acquisition. A robust correlation was established, indicating that enhanced vocabulary mastery directly improves speaking abilities and fosters more active learning participation. Quantitative analysis of questionnaire results, yielding an 18.97% score, categorized the module as "Very Helpful," thereby strongly supporting its perceived effectiveness. This direct correlation between higher vocabulary and more responsive speaking facilitates improved lecturer-student communication and overall academic engagement. Consequently, the study concludes that Indonesian language modules are highly effective in developing students' vocabulary, which in turn significantly boosts their speaking proficiency and academic communication, underscoring their critical role in fostering essential linguistic competencies for personal growth and national development.
Chemical Composition, Fatty Acid Profile, And Amino Acid Profile of Sahoaki (Tripneustes Gratilla) Gonads From Sangihe Island, Indonesia Suriani, Ni Wayan
International Journal of Science and Environment (IJSE) Vol. 5 No. 4 (2025): November 2025
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v5i4.240

Abstract

Sahoaki (Tripneustes gratilla), abundant in Sangihe Island, is a food ingredient by local people. This study aims to determine the chemical composition, fatty acid profile (bioactive content of omega-3, omega-6, and omega-9 fatty acids), and amino acid profile of the sahoaki gonads from Sangihe Island, Indonesia. The fatty acid profile was tested using the Gas Chromatography method (GC 7890B), while the amino acid profile was tested using Liquid chromatography-mass spectrometry. The results of research on fresh sahoaki gonads showed that the chemical composition: water content (84.24 and 85.99)%, fat (3.77 and 2.67)%, protein (10.12 and 9.34)%, carbohydrates (0.08 and 0.05)%, and ash (3.19 and 2.95)%. Fatty acid profile: there are 14 saturated fatty acid profiles, seven monounsaturated fatty acid profiles, nine polyunsaturated fatty acid profiles, the total content of omega-3 (19.46 and 15.95%), omega-6 (16.25 and 16, 39 %), and omega-9 (12.94 and 13.94%). Seven amino acid profiles were detected, consisting of five essential amino acids and two non-essential amino acids. Sahoaki gonads have good nutritional value because they contain high omega-3, Omega-6, and Omega-9 fatty acids and are equipped with essential amino acids, which have the potential as functional food ingredients.
Evaluation of Early Growth of Oil Palm Seedlings (Elaeis Guineensis Jacq) In The Pre-Treatment Stage Abidin, Zainal; Hidayat, Nur; Muh Asdiq Hamsin Ramadan, Laode; Putra Pratama, Adnan
International Journal of Science and Environment (IJSE) Vol. 5 No. 4 (2025): November 2025
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v5i4.241

Abstract

Palm oil (Elaeis guineensis Jacq.) is a strategic plantation commodity that plays a significant role in the Indonesian economy. One of the main factors determining palm oil productivity is the use of superior seeds with good initial vigor. This study aims to examine the morphological characteristics of three-month-old oil palm seedlings as an indicator of initial vigor that can be used as a baseline before the application of bio-amelioration technology using zeolite and Lactic Acid Bacteria (LAB) on post-mining land. The study was conducted at the pre-nursery stage by measuring parameters such as plant height, number of leaves, and stem diameter. Data analysis was conducted descriptively by calculating the average value. The results showed that the average seedling height reached 32.5 cm, the number of leaves was 4.2, and the stem diameter was 0.85 cm. These values ​​are within the international standard range for healthy three-month-old seedlings, thus they can be categorized as seedlings with fairly good vigor. This finding is important because initial morphological quality has been shown to have long-term implications for oil palm productivity. Furthermore, this baseline data serves as a benchmark for assessing the effectiveness of zeolite and LAB applications in further research on post-mining land which is generally poor in nutrients, acidic, and heavily degraded. Thus, this study provides an initial contribution to efforts to support sustainable post-mining land revitalization programs through mineral- and microbial-based bio-amelioration approaches.
Web-Based Food Menu Order Processing Information System At Urban Cafes Using User Centered Design Method Fatur Rahman, Onky; Alda, Muhamad
International Journal of Science and Environment (IJSE) Vol. 5 No. 4 (2025): November 2025
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v5i4.249

Abstract

The development of information technology encourages the culinary sector to adapt through digital systems. This study aims to develop a Web-Based Food Menu Order Processing Information System at Urban Cafe using the User Centered Design (UCD) method. This system is designed to improve ordering and service efficiency by directly involving users in the design process. The research method used is descriptive qualitative with data collection techniques through observation, interviews, and literature studies. The results show that the application of the User Centered Design method is able to produce a system that suits user needs, has an easy-to-use interface, and increases customer comfort in the ordering process. The developed system supports real-time transactions, order status monitoring, and more systematic sales reporting. Thus, this system is expected to improve the service quality and competitiveness of Urban Cafe.
Determination of Tariffs For Managing Toxic And Hazardous Waste To Improve The Quality of The Tourism City Semarang, Indonesia Yuniati, Nining
International Journal of Science and Environment (IJSE) Vol. 5 No. 4 (2025): November 2025
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v5i4.252

Abstract

The garbage problem is never solved in various cities across Indonesia. This research focuses on specific waste, including toxic and hazardous waste. The study aims to determine the investment value and toll fees for the tourism area in Semarang, Central Java, Indonesia. So far, there is no proper mechanism because, according to government regulations, the government has the obligation to be the main responsible party. This study was conducted to find appropriate alternative treatments that are more implementable and can be carried out immediately. The survey was conducted in 16 districts within the city area, involving waste management communities or relevant agencies. Based on calculations at the household level, it was found that toxic and hazardous waste generation is 1006.25 tons per year. Per household, this ranges from 20 kg to 118 kg per year. This amount is very dangerous in increasing environmental, water, and soil pollution. Considering waste management practices, the required investment value is USD 1.46 million. Based on the polluter pays principle, the established collection fee per household is only USD 1.61 per kilogram per year, or IDR 26,571. This amount is very large if the government bears the entire cost, but through a participatory management system, the handling of toxic and hazardous waste will become easier.
Study On Medical Solid Waste Management Policy At RSIA Yasmin Palangka Raya Mukhlas Roziqin, M.; Kentkhute, Ray
International Journal of Science and Environment (IJSE) Vol. 5 No. 4 (2025): November 2025
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v5i4.256

Abstract

This study aimed to evaluate the policy of solid medical waste management at RSIA Yasmin Palangka Raya. The main issues faced include discrepancies in packaging, collection, storage, and transportation of medical waste. A qualitative descriptive approach was employed using purposive sampling method to collect data through interviews, observations, and document analysis. The research findings revealed that despite the existence of internal policies, there were inconsistencies with the applicable regulations, particularly in waste packaging, segregation, and transportation. The composition of solid medical waste generated included infectious waste, non-sharp infectious waste, and sharp infectious waste. Policy recommendations are suggested to improve waste segregation, staff training, increase transportation frequency, and upgrade storage facilities. By implementing these recommendations, RSIA Yasmin Palangka Raya can enhance the effectiveness of solid medical waste management in accordance with regulations.
Impact of Coal Washing Activities on Water Quality and The Community of Aquatic Life In The Barito River, South Barito Regency Gianina, Lovina; Fitri Purwanti, Ipung
International Journal of Science and Environment (IJSE) Vol. 5 No. 4 (2025): November 2025
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v5i4.257

Abstract

The Barito River is a recipient of pollution from various human activities such as agriculture, settlements, and especially the mining industry. Coal washing activities along the Barito River Basin (DAS) are one of the activities that have the most significant impact on water quality degradation. This research aims to analyze the impact of coal washing activities on water quality and aquatic biota communities in the Barito River, South Barito Regency. The research location is the Barito River, South Barito Regency. Sampling points were taken at three points: upstream, outfall, and downstream of the Barito River. Water quality parameters in the Barito River include physical aspects (temperature and TSS), chemical (DO, pH, Fe, and Mn), and biological (nekton, plankton, and benthos) measured using the SNI method and specific fishing gear. Water quality assessment was carried out using the Storet method and the Pollution Index (IP) to determine water quality status based on parameters that do not meet quality standards. The water quality of the Barito River is classified as lightly to moderately polluted. Most physicochemical parameters are still within quality standards, except for low DO and Mn at several points exceeding the threshold. Storet results showed a score of -10 (class B, light pollution), while the Pollution Index (IP) was 1.98 (light pollution). Coal washing activities affected the distribution of aquatic biota. The diversity index (H’) of nekton was moderate-high (2.64–3.17), plankton was moderate (1.70–2.06), and benthos was low (0.64–0.69). High evenness and low dominance values ​​indicated a relatively stable community, despite anthropogenic pressures. The presence of bioindicators such as Rasbora caudimaculata, Macrobrachium rosenbergii, and Bithynia sp. confirmed the influence of human activities on the ecosystem.

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