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All Journal Indonesian Journal of Geography Maspari Journal Jurnal Natur Indonesia Jurnal Perikanan dan Kelautan Berkala Perikanan Terubuk Jurnal Ilmu Lingkungan Jurnal Ilmu Perairan (Aquatic Science) Maspari Journal Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Sumatra Journal of Disaster, Geography and Geography Education Agro Bali: Agricultural Journal Asian Journal of Aquatic Sciences Unri Conference Series: Community Engagement ECOTONE Jurnal Zona Journal of Coastal and Ocean Sciences Journal of Rural and Urban Community Empowerment Dinamika Lingkungan Indonesia CANANG: Jurnal Pengabdian Masyarakat NUSANTARA: Jurnal Pengabdian Kepada Masyarakat Jurnal Ilmu-Ilmu Kehutanan Pandawa : Pusat Publikasi Hasil Pengabdian Masyarakat South East Asian Marine Sciences Journal Journal of Innovative and Creativity Jurnal Perikanan dan Kelautan Tropical Marine Environmental Sciences Jurnal Natur Indonesia
Efriyeldi, Efriyeldi
Fakultas Perikanan Dan Kelautan, Universitas Riau
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Comparative Morphometric Rhizophora ApiculataFlower and Fruit in Two Areas with Anthropogenic Activities in West Dumai Coastal, Dumai City, Riau Province Muhammad Zebi Fernando; Efriyeldi Efriyeldi; Aras Mulyadi
Jurnal Natur Indonesia Vol. 19 No. 1 (2021): April
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Morphometrics is a field that deals with variations and changes in the form (size and shape) of an organism or object. Anthropogenic is a human activity not only limited to the use or utilization of coastal resources, but also can be restorative and protective, thus causing complex disruption. The purpose of this study was to determine the morphometric differences of the flowers and fruits of R.apiculata mangroves in two regions with different anthropogenic activities in the mangrove ecosystem of Dumai City. This research was carried out in September 2019. From the results of the study it was found that in areas polluted by anthropogenic activity the average morphometrics of fruit (length and width) and leaves (length, width and length of the stems) Rhizophora apiculata were lower than those in the area not polluted by anthropogenic activity. At station I the oil content ranged from 0,0975 to 0,1251 ppm classified as polluted and at station II ranged from 0,072 to 0,111 ppm classified as not polluted
Macrozoobenthos as a Bioindicator for Water Quality on the Coast of Padang City, West Sumatra Asma Ul Husna Putri; Afrizal Tanjung; Efriyeldi Efriyeldi
Jurnal Natur Indonesia Vol. 22 No. 2 (2024): October
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jnat.22.2.129-135

Abstract

The research was carried out in January 2024 at the coastal waters of Padang City, West Sumatera Province. This research aims to determine the structure of the macrozoobenthos community as a bioindicator of water quality on the beaches of Padang City. Purposive sampling was used to get the sample, and then data was analyzed using FBI methods. (Family Biotic Index). The research results using FBI calculations show that Station 1 is in a good category with a score of 4.73, Station 2 is in the good category with a score of 4.71, and Station 3 is in the relatively poor category with a score of 6. Thus, the water quality based on macrozoobenthos as bioindicators of the coastal waters of Padang City, with an FBI value, was found to have an average of 5.14, which falls into the moderate category
Potential and Management Strategy of Indragiri Hilir Regional Conservation Area (MPA), Riau Province Lucky Syarif; Efriyeldi Efriyeldi; Trisla Warningsih
Jurnal Natur Indonesia Vol. 22 No. 2 (2024): October
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jnat.22.2.143-149

Abstract

ABSTRACT The Indragiri Hilir Regional Conservation Area, Riau Province, has various potentials with high economic value and can be used sustainably. The effectiveness of conservation area management is determined by aspects and factors from inside and outside the conservation area. This study aims to (1) identify the potential of the Indragiri Hilir Regional Conservation Area;  (2) analyze internal factors and external factors in the management of regional conservation areas (KKD); (3) formulate the main strategies and alternative strategies in effective management of regional conservation areas in Indragiri Hilir Regency. The survey method was used in this study. The data collected consists of primary data and secondary data; the management strategy of the Indragiri Hilir Regional Conservation Area is carried out using SWOT Analysis and AHP analysis. The study results show that the potential of the Indragiri Hilir KKD area consists of human capital, natural resources capital, artificial capital, and social and economic potential. Internal factors in the management of regional conservation areas consist of community openness in improving an area, the commitment of the Central Government, the commitment of the Riau Provincial Government, the commitment of the Regency Government, local wisdom, the availability of potential natural resources, the number of population human resources, the quality of community human resources, coordination and communication, regional development directions and policies, legal instruments, and law enforcement. External factors consist of SDGs, government programs based on natural resource conservation, corporate involvement in environmental planning, participation of community empowerment companies, research and community-based community service, sectoral ego and spatial ego attitudes, land degradation and ecosystem damage, economic liberalization and political interests, moral hazard actions of stakeholders
Growth, Mortality, Exploitation Rate, and Recruitment of Blood Clam (Anadara granosa) in the Rangsang Barat Waters, Riau Province Efriyeldi Efriyeldi; Ronal Kurniawan
Jurnal Natur Indonesia Vol. 21 No. 1 (2023): April
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Growth, mortality, exploitation rate, and recruitment of Anadara granosa cockle in Rangsang Barat coastal waters were studied from July to October 2019. The objective of this research was to study the growth, mortality, exploitation rate, and recruitment of A.granosa cockle. Sampling was done monthly at three main stations. The cockle collected from plot 1 x 1 m2 on quadrat transect. The result showed that the asymptotic length (L∞) of A.granosa was 30.45 mm, the annual growth coefficient (K) was 0.83 per year, the total mortality (Z) was 4.46 per year, natural mortalities (M) were 1.60 per year, and fishing mortalities (F) was 2.86 per year. The rate of exploitation (E = 0.64) of blood clams in Rangsang Barat waters has begun to threaten sustainability. The recruitment occurred every month, the peaks occurred in July (13.83 %), and August (13.08 %).
Analisis Keberlanjutan Pengelolaan Ekosistem Mangrove di Desa Apar Kecamatan Pariaman Utara Sumatera Barat Enny Herawaty Simamora; Joko Samiaji; Efriyeldi Efriyeldi
Jurnal Ilmu Perairan (Aquatic Science) Vol. 13 No. 1 (2025): Maret
Publisher : LPPM Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jipas.13.1.p.132-141

Abstract

Penelitian ini bertujuan untuk mengetahui kondisi ekologi ekosistem mangrove dan untuk menganalisis tingkat keberlanjutan pengelolaan ekosistem mangrove di Desa Apar. Data yang diperoleh dianalisis dengan menggunakan RAP-Mforest. Hasil yang diperoleh yaitu  kondisi ekosistem mangrove sudah tergolong baik dengan kriteria sangat padat. Hasil analisis keberlanjutan pengelolaan mangrove yaitu dimensi ekologi sebesar 62,42% (cukup berkelanjutan), dimensi sosial 71,97% (cukup berkelanjutan) dan dimensi ekonomi 11,36% (kurang berkelanjutan). Strategi yang dapat dilakukan yaitu melakukan penyuluhan kepada masyarakat tentang betapa pentingnya mangrove bagi kehidupan masyarakat sekitar pantai. Peneliti selanjutnya meneliti lebih lanjut terkait dimensi kelembagaan dan hukum agar dapat mengetahui peluang dan tantangan dalam pengelolaan ekosistem mangrove
Macrozoobenthos as a Bioindicator for Water Quality on the Coast of Padang City, West Sumatra Asma Husna Putri; Afrizal Tanjung; Efriyeldi Efriyeldi
Jurnal Natur Indonesia Vol. 22 No. 2 (2024): October
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jnat.22.2.129-135

Abstract

The research was carried out in January 2024 at the coastal waters of Padang City, West Sumatera Province. This research aims to determine the structure of the macrozoobenthos community as a bioindicator of water quality on the beaches of Padang City. Purposive sampling was used to get the sample, and then data was analyzed using FBI methods. (Family Biotic Index). The research results using FBI calculations show that Station 1 is in a good category with a score of 4.73, Station 2 is in the good category with a score of 4.71, and Station 3 is in the relatively poor category with a score of 6. Thus, the water quality based on macrozoobenthos as bioindicators of the coastal waters of Padang City, with an FBI value, was found to have an average of 5.14, which falls into the moderate category.
Potential and Management Strategy of Indragiri Hilir Regional Conservation Area (MPA), Riau Province Lucky Syarif; Efriyeldi Efriyeldi; Trisla Warningsih
Jurnal Natur Indonesia Vol. 22 No. 2 (2024): October
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jnat.22.2.143-149

Abstract

The Indragiri Hilir Regional Conservation Area, Riau Province, has various potentials with high economic value and can be used sustainably. The effectiveness of conservation area management is determined by aspects and factors from inside and outside the conservation area. This study aims to (1) identify the potential of the Indragiri Hilir Regional Conservation Area; (2) analyze internal factors and external factors in the management of regional conservation areas (KKD); (3) formulate the main strategies and alternative strategies in effective management of regional conservation areas in Indragiri Hilir Regency. The survey method was used in this study. The data collected consists of primary data and secondary data; the management strategy of the Indragiri Hilir Regional Conservation Area is carried out using SWOT Analysis and AHP analysis. The study results show that the potential of the Indragiri Hilir KKD area consists of human capital, natural resources capital, artificial capital, and social and economic potential. Internal factors in the management of regional conservation areas consist of community openness in improving an area, the commitment of the Central Government, the commitment of the Riau Provincial Government, the commitment of the Regency Government, local wisdom, the availability of potential natural resources, the number of population human resources, the quality of community human resources, coordination and communication, regional development directions and policies, legal instruments, and law enforcement. External factors consist of SDGs, government programs based on natural resource conservation, corporate involvement in environmental planning, participation of community empowerment companies, research and community-based community service, sectoral ego and spatial ego attitudes, land degradation and ecosystem damage, economic liberalization and political interests, moral hazard actions of stakeholders.
Isolation and Antimicrobial Activity of Endophytic Fungi on Avicennia marina and Sonneratia alba Mangroves in Mengkapan Village, Sungai Apit District, Siak Regency Esti Nur Rahayu; Efriyeldi Efriyeldi; Ummi Mardhiah Batubara
Jurnal Natur Indonesia Vol. 22 No. 1 (2024): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jnat.22.1.12-20

Abstract

This research was conducted from February to June 2023. A sampling of Avicennia marina and Sonneratia alba mangroves was conducted in the mangrove ecosystems of Mengkapan Village, Sungai Apit District, Siak Regency. This research aims to identify the species and test the antimicrobial activity of endophytic fungi found in the leaves and stems of A. marina and S. alba mangroves in the mangrove ecosystem of Mengkapan Village using survey and experimental methods. This research began by determining the sampling location and measuring the physical and chemical parameters of the mangrove environment. Then, sampling and preparation of A. marina and S. alba mangrove samples were carried out to isolate the endophytic fungi. After isolation, macroscopic and microscopic characterization was done to identify endophytic fungi. The diameter increase of the endophytic fungi was measured and calculated, and the antagonism activity test of the endophytic fungi was carried out. The antimicrobial index of endophytic fungi was measured against the pathogenic bacteria Vibrio sp and E. coli. This research obtained that 12 endophytic fungi were isolated from the mangroves A. marina and S. alba: two genera Rosellinia, two genera Pythium, four genera Hansfordia, and four genera Aspergillus. Based on the test results, all genera found in this research inhibited the growth of E. coli with inhibitions of 75.99% (Rosellinia sp), 87.70% (Pythium sp), 73.42% (Hansfordia sp) and 86.88% (Aspergillus sp). However, only three genera inhibited the growth of Vibrio sp by more than 50%, with inhibitions of 85.23% (Rosellinia sp), 87.87% (Hansfordia sp), and 86.07% (Aspergillus sp).
Growth, Mortality, Exploitation Rate, and Recruitment of Blood Clam (Anadara granosa) in the Rangsang Barat Waters, Riau Province Efriyeldi Efriyeldi; Ronal Kurniawan
Jurnal Natur Indonesia Vol. 21 No. 1 (2023): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jnat.21.1.7-14

Abstract

Growth, mortality, exploitation rate, and recruitment of Anadara granosa cockle in Rangsang Barat coastal waters were studied from July to October 2019. The objective of this research was to study the growth, mortality, exploitation rate, and recruitment of A.granosa cockle. Sampling was done monthly at three main stations. The cockle collected from plot 1 x 1 m2 on quadrat transect. The result showed that the asymptotic length (L∞) of A.granosa was 30.45 mm, the annual growth coefficient (K) was 0.83 per year, the total mortality (Z) was 4.46 per year, natural mortalities (M) were 1.60 per year, and fishing mortalities (F) was 2.86 per year. The rate of exploitation (E = 0.64) of blood clams in Rangsang Barat waters has begun to threaten sustainability. The recruitment occurred every month, the peaks occurred in July (13.83 %), and August (13.08 %).
Comparative Morphometric Rhizophora ApiculataFlower and Fruit in Two Areas with Anthropogenic Activities in West Dumai Coastal, Dumai City, Riau Province Muhammad Zebi Fernando; Efriyeldi Efriyeldi; Aras Mulyadi
Jurnal Natur Indonesia Vol. 19 No. 1 (2021): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jnat.19.1.23-38

Abstract

Morphometrics is a field that deals with variations and changes in the form (size and shape) of an organism or object. Anthropogenic is a human activity not only limited to the use or utilization of coastal resources, but also can be restorative and protective, thus causing complex disruption. The purpose of this study was to determine the morphometric differences of the flowers and fruits of R.apiculata mangroves in two regions with different anthropogenic activities in the mangrove ecosystem of Dumai City. This research was carried out in September 2019. From the results of the study it was found that in areas polluted by anthropogenic activity the average morphometrics of fruit (length and width) and leaves (length, width and length of the stems) Rhizophora apiculata were lower than those in the area not polluted by anthropogenic activity. At station I the oil content ranged from 0,0975 to 0,1251 ppm classified as polluted and at station II ranged from 0,072 to 0,111 ppm classified as not polluted.
Co-Authors ', Zefendra ', Zulkifli AA Sudharmawan, AA Abdullah, Ikhlas Abiyu Rohid Adani Fatahilal Arifin Adila, Melin Adiyatma, Patwa Afrizal Tanjung Agnesia, Yohana Agus Mandar, Agus Agus Sutikno Agusti, Dianda Roaana Agusti, Dinda Roanna Ahmad Pasmuji Ahmadryadi_ahmadryadi Ahmadryadi_ahmadryadi Akmal Hawari Alfiana, Dewi Alghani, Muhammad Roif Alpian Alya, Alya Ananda, Nahdya Nasri Andreas Situmorang Andrew ST OS Andri Hendrizal Andrito, Wahyudi Angelia E Bernike Zebua Anggina, Viona Novi ani ani Anugrah, Muhammad Dea Aprizon Putra Aras Mulyadi Arbianti, Purnama Ardiana, Eka Ariaz, Panji Ahmad Arif Rahman Hakim Arifin, Adani Fatahilal Arlius Arlius, Arlius Arniati, Dina Asma Husna Putri Asma Ul Husna Putri Ayuni, Putri Bagas Ariya Pambudi Bahari, Sandy Bahruddin Batubara, Ummi Mardhiah Bintal Amin Bona Juandi Bonawi Sihombing Bonita Tiolina Exaudi Budijono, Budijono Burhan Marbun Cahyo, Bintang Dwi Clara Yolandika Cut Shifa Nedi Dame, Jupparoh Caisar Van Dandi Arianto Pelly David Raymond Sianturi Dedi Afandi Defri Yoza Dela Haryani Dermawan, Ernanda Putra Desmarina, Y. Despela, Despela Dessy Yosswaty Dessy Yoswaty Dessyka Febria, Dessyka Destriana Destriana Dewi Alfiana Dewi, Delviana Dianda Roanna Agusti Dietriech Geoffrey Bengen Doni Gunawan Tampubolon Dwigantara, M. Fadhol Eko Prianto, Eko Elfind Laoli Elfis Suanto Elizal, Elizal Endi Setiadi Eni Sumiarsih Enny Herawaty Simamora Erick Palatema Esti Nur Rahayu Esti Nur Rahayu Exaudi, Bonita Tiolina Fachry Abda El Rahman Fajriani Ananda Fajriani, Annisa Farona, Fella Fazli Pasha Amri Febrianto Roby Mukhti Fernando, Muhammad Zebi Fia Novianty Fitria Roza Fitriani, Ersa Friska Maulidah Fuadi, Indra Gavion Roston Sitepu Ginting, Dya Indriati Br Ginting, T.B. Gita Purnama Sari, Gita Purnama Gusfi, Melly Hadi Sastranegara Hadiyatma, Patwa Halida Sisda Harahap Hanryani, Putri Hapzi Ali Harahap, Anugrah Setiadari Hardianto Andita Harry Leonardo Barutu Hasan, Masyhuda Hasanah, Siti Umiyatul Hasyim, Ardhan Fadhlani Hendra Taufik Herrys V Silalahi Hersa, Tania Hesty Widyaningsih Homsatun, Nuning Hutomo, Ragil Tribhakti Ida Ayu Putu Sri Widnyani Ikhsan Setiawan Ilham hidayat Ilham Ilahi Imanuel, Andrean Nggara Imran , Imran Imran Imran Indra Bayu Pratama Indradewa, Rhian Inel Vivi Elvia Inka Wahyuni Intan, Selpia Irvina Nurachmi Irwan Effendi Iskan Fami Jumaidi Isnaini, Siti Joko Samiaji Josua Simanjuntak, Josua Judika Nursiani Sipahutar Jufri Jufri Jufri Jufri Junika Cecelia Putri Jupri, Tahany Nur Fadhilah Jupri, Tahany Nur Fadhillah Kaharudin, Zakaria Karnila, Rahman Karnila Kartina ' Khairunnisa Khairunnisa Khawarizmi, Dannes M. Kholida, Azzahra Kristoper Aritonang Laila Langsana Laksono Trisnantoro Langsana, Laila Laoli, Elfind Lee, Seung Hun Lianov, Dea Lie Othman Lieng, Lieng Lubis, Abdillah Lucky Syarif Lulu Mayna Nabilla M, Ridwan Rafsyanjani. M. Fadhol Dwigantara M. Subkhan Riza Maria Erna Martha, Rezky Dwi Matondang, Ridwan Rafsyanjani Maulana, Agung A. Mayrany, Sri Eva Meitasuri, Gevi Mia Fatma R Miswadi Miswadi Mubarak Mubarak Mubarak Mubarak Muhammad Aulia Rahman Muhammad Farhan Muhammad Rafsan Zain Muhammad Rizki Fadly Muhammad Rizky Rinaldi Muhammad Rusdi Muhammad Sabirin Muhammad Syarif Muhammad Zebi Fernando Muhammad Zebi Fernando Muhammad Zulkifli, Muhammad Mukhlis Alfarys Musrifin Galib Musrifin Ghalib Musrifin Musrifin Nababan, Sitty Mey Nabila, Chici Nabilah Jauharah Nadeak, Paulinus Nadida, Putri Nadiyatus Sholihat Nadratul Jamila Nasution, Fadli Ripai Nasution, Muhammad Rasid Naufal Sidqi Nawari Nawari Nawari Nawari, Nawari Noel GM Situmorang Novia Suci Yanti Novri Ditama Syafni Nuning Homsatun Nurafni, Melia Nurmalahayati, Yasinta Nursyirwani, Nursyirwani Oktari, Mela Oktaria, Rusiani Pambudi, Bagas Ariya Panggabean, Iis Panggabean, Iis Apriati Panji Ahmad Ariaz Patwa Hadiyatma Paul Rozeki Sinaga Pohan, Rizal Suardiman Pradini, Ulfa Rizki Pramita, Wisnu Pratama, Muhammad Dandy Syifa Prayitno, Betari Erlinda Putri Ayuni Putri Rifdayati Putri, Dinda Maharani Putri, Rahmi Putri, Rahmi Delima Putrianfi, Nadhifah Asilah Rafsyanjani M, Ridwan Rahayunigtyas, Putri Rahma Eka Putri Rahmadhani, Tami Fitri Rahmi Susanti Rahmita, R. Raja Rahmita Ramadani Safitri Ramadhan, A.R Ramadhan, A.R. Ramadhan, Muhammad Farizqy Rangga Wardana Rasoel Hamidy Razid, Muhamad Renata, Vivien Reny Cristina Naibaho RIDWAN AFFANDI Ridwan Manda Putra Rifaldi Rifaldi, Rifaldi Rifardi Rifda Syofiana R Rifdayati, Putri Rini, Yulia Sapta Rivaldi, Rahmat Rizki Dwi Yezelkiel Rizki, A. Romie Jhonnerie Ronal Kurniawan Rosiana, Kenny S. Pane, Rolis Sabirin, Muhammad Safatriani Safatriani Safitri, Winda Santi Maya Sari Saputra, Rengki Sari, D.J. Sari, Dwi Julita Sari, Lita Sari, Nova Iman Savita, Dinda Sihombing, Kelvin Simamora, Enny Herawati Siregar, , Yusni Ikhwan Siregar, Ali Mora Hadamean Siregar, Rafly Fadiansyah Siregar, Rifa Ghina Aulia Siti Anisah Siti Fatonah Siti Hasanah Siti Umiyatul Hasanah Sitorus, Tiroy Sofyan H. Siregar Sofyan Husein Siregar Sonya Marunjung P.Hsb Sri Murtin Sufaidah, Siti Nur Sujianto Sujianto Sujianto Sujianto Sukendi Sukendi Sulistio, Hendra Tri Suparno . Suwondo Suwondo Suzila ' Syafrhani, Wan Nabila Syafrizal Syafrizal Syafruddin Nasution Syahril Nedi Syamsiar, Syamsiar Syawfy Luthfiandra Taat Mujaid Arifin Tania Hersa Tanjung, Lismawati Tengku Mutia Smita Dwivayana Thamrin Thamrin Thamrin Thamrin Thamrin Thamrin Thamrin Thamrin Thamrin Tri Lestari Tri Prartono Triatama, Putri Zulfa Trisla Warningsih Uswatun Hasanah Vichi Apridianti Vivien Renata Wahyu Novra Wanda Wahyudi Wahyudi Wanda Syahrian Wardana, Rangga Wulan Cempaka Sari.S Yahya Benardus Sihombing Yanti, D.H. Yehezkiel, Rizki Dwi Yeli Hartuti Yetti Elfina Yohanna Siagian Yona, Fitria Mai Yosua Afrianus P Yulinda, Emelda Yusni Ikhwan Siregar Zain, Rahmita Firda Zakaria Kaharudin Zaki, Raihan Zientika, Zientika Zulhendri Zulhendri Zulkifli ' Zulkifli Zulkifli Zulkifli Zulkifli