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Proposed Social-Media Marketing Strategy to Improve Customer Engagement on Instagram (Case Study: The Hidden Heaven) Nur, Muhammad Ikhsan; Garnida , Nita
Journal Research of Social Science, Economics, and Management Vol. 4 No. 12 (2025): Journal Research of Social Science, Economics, and Management
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jrssem.v4i12.956

Abstract

The growing consumer demand for specialty coffee and the rise of home-brewing culture in Indonesia have created new market opportunities for coffee roasteries in the B2C market. However, The Hidden Heaven, a roastery based in Surakarta, remains highly dependent on B2B clients, exposing the business to sales instability. To seize these emerging opportunities, The Hidden Heaven needs to strengthen its efforts in the B2C market to attract and retain individual consumers. Specifically, this research addresses a strategic gap in the company’s use of Instagram for customer engagement. The objective is to develop a targeted social media marketing strategy that enhances customer engagement. Using a mixed-method approach, the study combines qualitative interviews with the company’s management and quantitative survey data from 354 Instagram-active consumers aged 18–35. Data were analyzed using SEM-PLS to test the effects of social media influencers (SMI), user-generated content (UGC), and carousel post formats on customer engagement. The results show that only content in the carousel post format has a significant impact. This study contributes to digital marketing practices by developing an evidence-based Instagram strategy tailored for the specialty coffee industry.
P Pembuatan dan Pemasangan Papan Penanda Batas Wilayah Pada Kegiatan KKN Di Desa Tambak Sirang Baru : Design and Installation of Village Boundary Signage through Community Service Program in Tambak Sirang Baru Village Jainudin, Jainudin; Ansari , Hafiz; Faiyin, Dwi Irfan; Jumiati, Jumiati; Anggraini, Septia; Nur, Muhammad Ikhsan; Masruroh, Silfiana Ila; Syaikhani, Ahmad
Kayuh Baimbai: Jurnal Pengabdian Masyarakat Vol 2 No 1 (2025): Januari : Kayuh Baimbai : Jurnal Pengabdian Masyarakat
Publisher : Lembaga Penelitian dan Pengabdian pada Masyarakat (LPPM) Universitas Nahdlatul Ulama Kalimantan Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69959/kbjpm.v2i1.147

Abstract

Tambak Sirang Baru Village is an area with vast agricultural potential and an active social environment. However, the village faces challenges related to spatial identity due to the absence of boundary signage for administrative areas and neighborhood units (RT). This lack of informational infrastructure makes it difficult for residents and visitors to recognize administrative boundaries and hinders the effectiveness of area-based public services. Through the Community Service Program (KKN), university students collaborated with the local community to design and install boundary signage. The program was conducted over one month using a participatory approach consisting of five stages: initial observation, program planning, signage production, installation, and evaluation. KKN students worked closely with village officials and residents at every stage, from site surveys and signage design to material procurement, installation, and impact evaluation. A total of 12 signs were successfully installed at strategic village locations. The main material used was ulin wood, painted in green, blue, and black. Evaluation results showed that the signage functioned effectively, was easy to read, and strengthened the village’s spatial identity. Village officials and residents responded positively to the presence of the signage, noting its contribution to aesthetics and improved spatial orientation.
Implementasi Tanda Tangan Digital dengan Metode AES dan Deflate untuk Verifikasi Surat Permohonan KKP Lukman; Hayat, Muhyiddin A M; Nur, Muhammad Ikhsan
Journal of Muhammadiyah’s Application Technology Vol. 4 No. 3 (2025)
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/k6zs6353

Abstract

ABSTRAKTransformasi digital di lingkungan akademik menuntut adanya sistem verifikasi dokumen yang aman, efisien, dan mudah diimplementasikan. Penelitian ini bertujuan untuk mengimplementasikan tanda tangan digital dalam proses verifikasi Surat Permohonan Kuliah Kerja Profesi (KKP) dengan mengombinasikan algoritma Advanced Encryption Standard (AES) dan metode kompresi Deflate. Sistem dirancang melalui beberapa tahapan, meliputi preprocessing data surat untuk menggabungkan seluruh informasi penting ke dalam satu format string, kompresi data menggunakan metode Deflate, serta enkripsi menggunakan algoritma AES-128 dengan mode Cipher Block Chaining (CBC). Data terenkripsi selanjutnya dikonversi ke dalam bentuk QR Code yang berfungsi sebagai representasi tanda tangan digital. Proses verifikasi dilakukan dengan memindai QR Code menggunakan aplikasi client, kemudian dilakukan tahap dekripsi dan dekompresi untuk mengembalikan data ke bentuk aslinya. Hasil pengujian menunjukkan bahwa sistem mampu menjaga kerahasiaan dan integritas data, mempercepat proses verifikasi administrasi, serta meminimalkan potensi kesalahan manusia dalam pengelolaan dokumen. Dengan demikian, integrasi algoritma AES dan metode Deflate dapat diterapkan secara efektif sebagai solusi verifikasi dokumen digital di lingkungan akademik. Kata Kunci: Tanda Tangan Digital, AES, Deflate, Enkripsi, Dokumen Akademik   ABSTRACTDigital transformation in academic environments requires a document verification system that is secure, efficient, and easy to implement. This study aims to implement a digital signature system for verifying Internship Application Letters (Kuliah Kerja Profesi/KKP) by combining the Advanced Encryption Standard (AES) algorithm and the Deflate compression method. The system is designed through several stages, including preprocessing of letter data to merge essential information into a single string format, data compression using the Deflate method, and encryption using the AES-128 algorithm in Cipher Block Chaining (CBC) mode. The encrypted data is then converted into a QR Code, which serves as a digital signature representation. The verification process is carried out by scanning the QR Code using a client application, followed by decryption and decompression to restore the original data. The testing results indicate that the proposed system is capable of maintaining data confidentiality and integrity, accelerating administrative verification processes, and reducing human error in document management. Therefore, the integration of AES and Deflate proves to be an effective solution for digital document verification in academic institutions. Keyworsds: Digital Signature, AES, Deflate, Encryption, Academic Document