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Yanda Bara Kusuma

Universitas Pembagunan Nasional “Veteran” Jawa Timur, Surabaya, Indonesia

Author-ID : 1973188

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Transportation Other

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Articles

Title

The Influence of Online Customer Review and Online Customer Ratings on Purchase Decisions in Tiktok Shop Diva Klandy Lumansik; Yanda Bara Kusuma
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 2 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i2.6108

The increasing number of internet users in Indonesia has led to a shift in consumer shopping behavior towards online shopping. TikTok has developed the TikTok Shop feature, an online shopping platform that combines the social media experience with e-commerce. However, in online shopping, consumers cannot see products directly and lack information about the product and seller, leading to doubts and impacting purchase decisions. Customers may utilize online customer reviews and ratings to get information that they can use while making a purchasing decision. The purpose of this study is to examine how online customer reviews and ratings affect TikTok Shop purchases. This is a quantitative study with an associative approach. The population in this research is TikTok Shop users in Surabaya. The required sample size is 100 respondents. Purposive sampling is the method of sampling that is employed. Google Forms surveys were distributed to gather data. Multiple linear regression analysis was used to examine the data and determine how the variables related to one another. According to the findings of the t-test, online customer reviews and ratings significantly and favorably influence TikTok Shop customers' decisions to buy. The findings of the F test demonstrated that online customer reviews and ratings significantly and favorably influence TikTok Shop customers' decisions to buy.

Influence Influence Analysis Celebrity Endorsement, Flash Sale, Live Streaming to Impulse Buying Shopee Users in Jember Indah Respati Kusumasari; Andrias Dwi Mahendrawan; Yanda Bara Kusuma
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 2 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i2.6431

The digital era is increasingly developing rapidly, e-commerce or electronic commerce has become one of the most widely used and rapidly growing forms of commerce in Indonesia. Quoted to Ramadhan (2020), in the last year, Indonesia managed to rank 3rd in the world in the category of most internet users. Therefore, research about influencing factors impulse buying at platform e-commerce Shopee can provide valuable insights for e-commerce companies and marketers in understanding consumer preferences and needs in Indonesia. Apart from that, this research can also help Shopee to improve their services and attract consumers' interest in continuing to buy products on their platform by optimizing live streaming, and flash sales, but further research still needs to be done to determine the effect celebrity endorsers on impulse buying of platforms. e-commerce Shopee. This research uses a survey and quantitative research method approach. Following the research objectives, this research approach is explorative descriptive, namely research by conducting and providing descriptions of symptoms and phenomena that occur in the field. The results of this research show Celebrity endorsement significant effect on impulse buying Shopee E-Commerce users in Jember City. Flash Sale influential and significant to impulse buying Shopee E-Commerce users in Jember city Live streaming significant effect on impulse buying Shopee E-Commerce users in the city of Jember. And overall, celebrity endorsements, flash sales, and live streaming have a significant effect on impulse buying.

Marketing Strategies of Secondhand Fashion/Thrift Shop in Increasing Sales in Surabaya (A Study on Tebal.Id Store Surabaya) Amanda Meiliya; Yanda Bara Kusuma
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 3 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i3.7030

The fashion industry is experiencing rapid development, which also encourages the emergence of thrift shopping trends as an alternative for people, especially young people, to get quality clothes at affordable prices. This study aims determine and analyze the marketing strategies carried out by used fashion business actors/thrift shop (Tebal.Id Surabaya) in increasing sales in Surabaya City. The method used is with a qualitative approach, this research analyzes how the combination of 4P marketing strategies (Product, Price, Place, and Promotion) contributes to increasing sales and strengthening brand awareness in the used fashion market. Data were obtained through in-depth interviews (owner, marketing division employees, and 2 customers), observation, and documentation, which were then analyzed using data reduction, data presentation, and conclusion drawing techniques. The results showed that the utilization of digital marketing strategies, interactive promotions through social media, and the application of competitive prices were able to increase consumer attractiveness and had a direct impact on increasing sales of Tebal.Id Surabaya.

Analysis of Marketing Mix Strategies with a SWOT Approach in Increasing Market Competitiveness at Coffee Shop De'ale Sidoarjo Dinda Larasati Esa Putri; Yanda Bara Kusuma
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 1 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i3.7031

The purpose of this study is to evaluate Coffee Shop De'Ale's marketing mix strategy to improve its competitiveness in the coffee industry. This research uses a qualitative descriptive approach and uses SWOT (Strengths, Weaknesses, Opportunities, and Threats) analysis to identify the strengths, weaknesses, opportunities, and threats faced by De'Ale. The analysis results show that De'Ale is in quadrant I in the SWOT matrix, indicating that an aggressive growth strategy is the most suitable for the current situation. Therefore, De'Ale should expand its cafe area, increase its digital promotion through social media such as Instagram and TikTok, and cooperate with influencers or food bloggers to expand the market. By implementing these strategies, De'Ale is expected to become more competitive in the growing coffee industry.

The Implementation of Promotional Strategies via TikTok Social Media in Increasing Sales Revenue at Fat Hunt Surabaya Ossa Yuansah Putri; Yanda Bara Kusuma
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 3 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i3.7043

This research discusses how digital promotion strategies through the TikTok platform can be effectively implemented to increase sales turnover in micro, small and medium enterprises (MSMEs). This research approach is descriptive qualitative with data collection techniques through interviews with owners, employees, and consumers. The results showed that the implementation of promotional strategies was carried out through optimizing TikTok accounts, creating attractive visual content, collaborating with influencers, and active and responsive interaction with audiences. This strategy is reinforced by a personalized approach through comment replies and direct communication relevant to customer needs. Turnover data shows a significant increase from November 2024 to April 2025, with the highest figure reaching Rp 70,000,000. This finding shows that a promotional strategy that is carried out creatively, and consistently is able to increase the competitiveness of MSMEs and encourage increased sales in a business.

Optimizing Event Marketing Strategies in Increasing Brand Awareness at Ichigo Daifuku Surabaya Nabilla Rahma Maharsany; Yanda Bara Kusuma
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 3 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i3.7218

This study aims to identify the event marketing strategies used to increase brand awareness at Ichigo Daifuku Surabaya. The research adopts a descriptive qualitative method and was conducted at Ichigo Daifuku Surabaya, which operates three outlets in and around Surabaya. The subjects of this research include the owner, employees, and customers of Ichigo Daifuku Surabaya. Data were collected using interviews, observation, documentation, and triangulation techniques. The data analysis process involved data reduction, data display, and drawing conclusions. The results of the study indicate that Ichigo Daifuku Surabaya implements event marketing strategies through the selection of strategic event locations, choosing relevant event vendors, and engaging directly with consumers. The company also optimizes its strategies by actively participating in events, using social media as a promotional support tool, and creating memorable experiences for customers. These strategies have proven effective in enhancing brand awareness and customer loyalty.

THE INFLUENCE PERCEIVED QUALITY, BRAND TRUST AND CUSTOMER EXPERIENCE ON REPURCHASE INTENTION OF SKINTIFIC PRODUCTS Adela Aurelia Kinaya Dewi; Yanda Bara Kusuma
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 3 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i3.7224

The competitive landscape in the beauty industry in Indonesia is increasing significantly, along with the growing consumer awareness and interest in high-quality skincare products. One brand that has recently begun to attract attention, especially among urban communities such as in Surabaya City, is Skintific. This study analyzes how customer experience, brand trust, and perceived quality affect consumers' intentions to repurchase Skintific products. A sample of Surabaya City residents who use Skintific products is used in this quantitative investigation. The study involved 100 participants, selected through a purposive sampling method as part of a non-probability sampling approach. Online questionnaires were distributed in order to collect data. Several linear regression analyses were performed using SPSS version 30 software. The results show that the three independent factors, perceived quality, brand trust, and customer experience, all have a positive significant impact on repurchase intention, both simultaneously and individually. These findings show that views of product quality, trust in the brand, and a great customer experience are important factors in increasing consumers' desire to repurchase Skintific products in a highly competitive market.

Marketing Strategy Analysis in Increasing Sales Volume at Cafe Wong Paiton, Sapikerep Village, Probolinggo Regency Kevin Ramadhany Sukmana; Yanda Bara Kusuma
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 3 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i3.7643

In the highly competitive cafe industry, effective marketing strategies are a key factor in achieving significant sales growth, the lack of understanding of these preferences is the background to the existence of research related to the analysis of marketing strategies in increasing sales at Cafe Wong Paiton Probolinggo, which is relevant and important to be carried out and uses the latest theories. The purpose of this study is to determine and analyze the marketing strategies used by Cafe Wong Paiton in increasing sales volume. This research is expected to be useful for the development of knowledge that has been learned by the researcher during his service in the Business Administration study program at the National Development University "Veteran" East Java. The study was conducted using a SWOT analysis (Strengths, Weaknesses, Opportunities, and Threats), which allows cafe management to formulate strategies that can increase competitiveness, efficiency, and business sustainability. By using this analysis, Cafe 41 can identify its strengths, such as product quality (coffee, food), customer service, or strategic location, which can be utilized to attract more customers and build a strong reputation in the market. The results of the study show that Cafe Wong Paiton is in Quadrant I with a value of (X; Y) of (1.97; 0.63), which indicates that this cafe is in a strategic position to implement an aggressive strategy. Cafe Wong Paiton in the Internal-External matrix is in Quadrant I with a value of (X; Y) of (3.31; 3.25), which indicates that it is currently in a grow and build position. This position illustrates that Cafe Wong Paiton is in a growth stage, both in terms of sales, assets, and profits.

Co-Authors Adela Aurelia Kinaya Dewi Agustin Nur Awaliyah Agustina, Rheina Rosa Ahmad Yanuar Bahri Alhilwa, Raissalma Queena Alifah Rizky Wiyanti Alifia, Reisha Diandra Amalia Lutvita Nisa Amaliyah, Febby Dzurrotul Amanda Meiliya Andramaya Kusuma Ningtyas Andrias Dwi Mahendrawan Anggara Putra Bimantara Anggy Kinaya Putri Anisa Mamba’ul Fitri Ardi Zulva Budianto Argy Ajzal Mawahib Annur Arianto Nara Rizky Ramadhan Asnanda Fairuz Tsuraya Aurelia Tari Fortuna Avita Sekar Safitri Bambang Swasto S Bimo Putro Nusuantoro Budi Prabowo Chasan Azari Chaterine Br Tarigan Choirul Miftakhul Anam Cinta Tunggal Rahmadhani Citra Pramita Hermayanti Davina Nasywa Ardelia Derri Ardi Dika Riva Adhilni Dina Indah Nurcahyani Dinda Larasati Esa Putri Diva Klandy Lumansik Duta Rahma Safira Dwi Utami Dwi Wahyuningtyas Ega Rizqita Vitrani Estevania Angel Gloria Fanza Shofaun Nafsi Febi Nour Amaliah Febrina Hambalah Ferry Fahrial Rakhmad Firdausii Khoirunnisa Firdha Amalia Nareswari Firza Farianshah Difandra Gian Alfreda Wirawan Gusti Nathan Pangestu H, Rahel Sartika Halid Adli Hanani Nazua Hidayat, Rusdi Idris, Moch Ifthar Ramadhana Wahyudi Ika Yuliana Wati Ilmi, Ibnu Malkan Bakhrul Imam Mahmudah Indah Respati Kusumasari Kevin Ramadhany Sukmana Kristanti, Kartika Kusumasari, Indah Respati Lailatul Qomaria Lilyana Fransiska Sinaga Louise Emmanuel Geraldo Lu'lu'ul Mukarromah Lugas Nugraha Nadra Manuel Vivien Ricardo Tampubolon Marissa Ariny Moch Rizky Khairul Rachman Mochammad Al Musadieq Mohammad Fauzan Heryka Putra Mohammad Rizky Axell Putranto Mohammad Rizky Axell Putranto Mohammad Syarrafah Mohammad Vavian Baharudinsyah Muhammad Aslam Ashshidqi Muhammad Fauzy Hamdani Muhammad Gilang Zain Assalam Muhammad Thoriq Ardiazza Mujib, Wahyu Abdul Mumtaza Rifda Maulidiyah Nabila Yasmin Widyana Damayanti Nabilla Rahma Maharsany Naufal Ibadillah Nindi Aulia Firdiana Nursinta Abadiyah Oktaviani, Adinda Putri Eka Ossa Yuansah Putri Puspitasari, Anindita Vella Putri, Alifia Kusuma Rachel Ayu Soffi Hasugian Raden Roro Aurora Evvatun Nabilah Raihan Adillah Yulianti Raja, Jesika Lumban Randy Aulia Firdaus Rangga Eka Saputra Ratu Ajeng Pratiwi Restiatin, Restiatin Reza Mehdi Fauzi Ridlolloh, Muhammad Fathin Rikka, Mardiana Riko Julian Wardana Rinawati Dewi Rini Fatmawati Ririn Puspita Tutiasri Rizky Thyto Ramadhan Roiisul Ibaad Aunillah Rona Octavia Mawaddah Rosanya Amelia Santoso Sabhina Agni Naenara Sabita Tiarailsa Salsabil Prasty Ayunda Santi Eka Rahmawati Selvina, Putry Meysa Serli, Ra Nadia Triyana Shofia Syifa Ul Khasna Shofia Syifa Ul Khasna Sijabat, Reza Syahputra Silvia, Sukaina Abir Simanjuntak, Remus Yosias Natanael Siti Ismidul Uyun Siti Nurhaliza Sofiana Sukina Sukina Syafitra, Awaliya Rahmadhani Titan Baihaqi Akbar Nugroho Ubaidillah Bramantyo Esnanhik Vanesa Rosavia Berlina Varadisa, Adelia Qouli Viona Rosaline Christabella Visi Ari Pratiwi Wahyu Fahrul Ridho Wahyu, Wildan Jovian Widya Nur Rachmawati Yahya Kusuma Yanti Grace Hutasoit Yasmine Azalia Wandana Yulman Prianggi Zevina Rochmadi Zumrotul Rosyidah

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