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Articles 2,125 Documents
Bunker Oksigen Dan Karbon (Bok) Di Lingkungan Sekolah Sebagai Penyimpan Karbon, Manfaat, Dan Nilai Ekonominya Suyadi Suyadi; Venny Handayani; Agustina Fina; Wira Sudirja
BERITA BIOLOGI Vol 20, No 2 (2021): Berita Biologi
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v20i2.4062

Abstract

The impacts of pollution and climate change occurred in global and local communities, including at school environment. Uncomfortable school environment due to pollution and school damage due to sea-level rise interferes with learning processes and reduces students' academic performance. A new approach of a school greening programme called Bunkers of Oxygen and Carbon (BOCs) was developed in a public school (SMA Negeri 3 Merauke) in Merauke, Papua using a thematic approach to mitigate pollution and climate change. The research showed that carbon storage of BOCs is mean 74 Mg ha-1 . This is equal with carbon dioxide equivalent (CO2e) of mean 271 Mg CO2e ha-1. The capacity of BOCs as carbon storage can be optimized due to the age of vegetation in BOCs is only four years old, and below ground carbon stock was measured only up to 50 cm depth. The amount of carbon stock in BOCs was influenced by vegetation health (tree density and canopy coverage) and vegetation structure (tree diameter and height) in the BOCs (r2 = 0.56, p = 0.001). The mean economic value of carbon stocks in the BOCs was US $ 189 billion ha-1. This economic value may underestimate as many benefits and functions of the BOCs were excluded from the calculation. BOCs have ecological functions as a habitat for many wildlife species, various ecosystem services, recreational areas, aesthetic values, oxygen supply, and a place to improve creativity and as natural laboratories for practice and learning from nature. Therefore, the development of BOCs in the school environment across Indonesia is important as the functions and benefits are crucial to mitigate pollution and climate change, improve the learning process and the quality of national education. 
Aktivitas Anti Inflamasi Ekstrak Biji Litsea Garciae Vidal Pada Odema Telapak Kaki Dan Gambaran Histologis Kaki Mencit Mustika Sari; Henny Sulistiany
BERITA BIOLOGI Vol 20, No 2 (2021): Berita Biologi
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v20i2.4061

Abstract

Litsea garciae or malek is a native species from Borneo and belongs to the Lauraceae family. Scientifically, the use of these plants is not widely known. The purpose of this study was to determine the anti-inflammatory activity of Litsea garciae seeds against edema in mice feet and to determine the histology of the carrageenan-induced integument thickness of mice. The study used a completely randomized design with 5 treatment groups. The treatment group consisted of a negative treatment group (K1), a positive treatment group (K2) with 3 different dosages of Malek seed extract groups. The treatment doses used were Malek seed extract at a dose of 0.625 mg/g BW (P1), 1.25 mg/g BW (2), and 2.50 mg/g BW (P3). Edema percentage and integument thickness were analyzed by the One-Way ANOVA test with (α = 0.05). The results showed that the Malek seed extract dose of 0.625 mg/g BW had anti-inflammatory activity against edema of the mice's feet. The percentage of inflammation with doses of 0.625 mg/g BW, 1.25 mg/g BW and 2.5 mg/g BW was 31.10%, 22.58%, and 25.83%. The percentage of reduction in inflammation in the positive control treatment of Na-diclofenac (42.70%) was significantly differ-ent from the treatment of Malek seed extract at a dose of 0.0625–2.5 mg/g BW. The percentage of reduction in inflammation in the group treated with 1.25 mg/g BW (P2) Malek seed extract was not significantly different from the 2.5 mg/g BW (P3) treatment of Malek seed extract. The results of histological observations of mice's feet showed that the extract of Malek seeds did not have a significant effect on the thickness of the carrageenan-induced mice leg integument.
IDENTIFIKASI VIRUS PENYAKIT JEMBRANA PADA SAPI BALI MENGGUNAKAN POLYMERASE CHAIN REACTION (PCR) DI PROVINSI KEPULAUAN BANGKA BELITUNG Riko Irwanto; Correy Wahyu Adi Sulistyo; Ari Ari; Aditya Jeffri Irawan
BERITA BIOLOGI Vol 21, No 3 (2021): Berita Biologi
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v21i3.4055

Abstract

Bali cattle is one of the typical Indonesian livestock that is widely cultivated because of its high reproductive and adaptation capabilities to the environment. However, behind these advantages, bali cattle have a weakness, namely they are susceptible to the jembrana virus which can cause jembrana disease. This disease will cause a decrease in the immune system of bali cattle so that they are susceptible to other diseases that will lead to the death of the cattle. The method used in the identification of the Jembrana disease virus is the Polymerase Chain Reaction-Reverse Transcription (PCR-RT) technique. Identification do 10 Bali cows in Panca Tunggal Village, South Bangka Regency and 11 Bali cattle in Temberan Village, Pangkalpinang City. The bali cattle serum used for virus identification was centrifuged to obtain buffycoat. The PCR-RT technique is carried out in several stages, namely sampling, buffycoat making, extraction, master mix making, amplification, agar manufacture, electrophoresis and visualization. Based on the test, it was found that A1 and A2 bali cattle from Panca Tunggal Village, South Bangka Regency indicated the presence of the Jembrana virus. So that this Polymerase Chain Reaction Technique can help detect the presence of the Jembrana virus in bali cattles.
PERAN AKTIF SAINS WARGA UNTUK AKSELERASI PEROLEHAN DATA KUPU-KUPU DI INDONESIA TERKAIT PROJECT BIFA-GBIF Djunijanti Peggie; Muhammad Rasyidi; Imti Yazil Wafa; Karyadi Baskoro
BERITA BIOLOGI Vol 21, No 3 (2021): Berita Biologi
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v21i3.4264

Abstract

Citizen science participation in the scope of biodiversity data acquisition has increased globally. Data on the occurrence of butterflies are usually obtained through specimen inventories, which are costly and labor intensive. Without compromising the importance of specimens, data acquisition on the occurrence of butterflies from various areas in Indonesia through butterfly photos can be pursued through the contribution of citizen science. This initiative was carried out as part of the BIFA-GBIF project. The involvement of citizen science is very effective in increasing the acquisition of data on the occurrence of various butterfly species. More than 1,000 photographs of butterflies were received from 26 persons contributing to the initiative, and 744 entries have been processed resulting in records of 197 butterfly species. This initiative opens up more opportunities in the future.ABSTRAKPartisipasi sains warga dalam lingkup perolehan data biodiversitas telah meningkat secara global. Data keberadaan kupu-kupu biasanya diperoleh melalui inventarisasi spesimen, yang membutuhkan banyak biaya dan tenaga. Tanpa mengurangi nilai penting spesimen, perolehan data keberadaan kupu-kupu dari berbagai area di Indonesia melalui foto kupu-kupu dapat diupayakan melalui kontribusi sains warga. Inisiatif ini dilakukan sebagai bagian dari project BIFA-GBIF. Keterlibatan sains warga sangat efektif dalam meningkatkan perolehan data keberadaan berbagai spesies kupu-kupu. Lebih dari 1.000 foto kupu-kupu telah diterima dari 26 orang yang berkontribusi dalam inisiatif ini, dan 744 entry telah diproses yang menghasilkan data rekaman 197 spesies kupu-kupu. Inisiatif ini membuka lebih banyak peluang ke depannya.
IKTIOFAUNA PERAIRAN TAWAR DI KAWASAN TAMAN NASIONAL BOGANI NANI WARTABONE DAN SEKITARNYA, GORONTALO-SULAWESI UTARA Rusdianto Rusdianto; Sopian Sauri
BERITA BIOLOGI Vol 21, No 3 (2021): Berita Biologi
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v21i3.4195

Abstract

ABSTRACT TNBNW is included in the Wallacea Region which is a transitional zone between Oriental and Australian zoogeography which is estimated to have many unique and endemic flora and fauna species, including fish species that have not been fully disclosed. This study aims to inventory the diversity of ichthyofauna that live in the fresh waters of the TNBNW area and its surroundings. Sampling was carried out by making 11 research stations from the waters that flow from the Matabulawa peak to the Bone River. Samples were collected by electrofishing then identified and preserved using formalin solution. The species of fish obtained were analyzed on the index of diversity, evenness, and species richness. To complete the data, tabulation of data on fish species in the TNBNW area from previous studies as well as specimens that already have catalog numbers deposited in MZB was carried out. This study found 13 species of fish consisting of 6 families and 10 genera. The total ichthyofauna in the TNBNW area and its surroundings is 32 species consisting of 15 families. Stiphodon sp. is the species that has the highest relative abundance (48.80), followed by Poecilia reticulata (11.00). The species with the highest local distribution was Belobranchus belobranchs (90.91%). The rivers that have the highest index of species diversity, evenness, and species richness are Pilolode River, Pilohampaa River, and Loji River, respectively. Two species are classified as introduced fish, namely Poecilia reticulata and Oreochromis niloticus. Several species of fish have potential as ornamental fish as well as consumption fish. Key words: Species diversity, ichthyofauna, TNBNW ABSTRAKTNBNW termasuk ke dalam Kawasan Wallacea yang merupakan zona peralihan antara zoogeografi Oriental dan Australia yang diperkirakan memiliki banyak jenis flora dan fauna yang unik dan endemik, termasuk jenis-jenis ikan yang belum semua dapat diungkapkan. Penelitian ini bertujuan untuk menginventarisasi keragaman iktiofauna yang hidup di perairan tawar kawasan TNBNW dan sekitarnya. Sampling dilakukan dengan membuat 11 stasiun penelitian dari perairan yang mengalir dari puncak Matabulawa menuju Sungai Bone. Sampel dikoleksi dengan elektrofishing kemudian diidentifikasi dan dipreservasi menggunakan larutan formalin. Jenis ikan yang diperoleh dianalisis indeks keanekaragaman, kemerataan dan kekayaan jenisnya. Untuk melengkapi data, dilakukan tabulasi data jenis-jenis ikan di kawasan TNBNW dari penelitian-penelitian sebelumnya serta spesimen yang telah terkatalog yang terdeposit di MZB. Penelitian ini menemukan 13 jenis ikan yang terdiri dari 6 famili dan 10 genus. Total iktiofauna di kawasan TNBNW dan sekitarnya adalah 32 jenis, terdiri dari 15 famili. Stiphodon sp. merupakan jenis yang memiliki kelimpahan relatif tertinggi (48,80) diikuti Poecilia reticulata (11,00). Jenis yang memiliki distribusi lokal tertinggi adalah Belobranchus belobranchus (90,91%). Sungai yang memiliki indeks keanekaragaman jenis, kemerataan dan kekayaan jenis paling tinggi masing-masing adalah Sungai Pilolode, Sungai Pilohampaa dan Sungai Loji. Dua jenis ikan tergolong ikan introduksi yaitu Poecilia reticulata dan Oreochromis niloticus. Beberapa jenis ikan memiliki potensi sebagai ikan hias dan juga ikan konsumsi. Kata Kunci: Keragaman jenis, iktiofauna, TNBNW
KOMPOSISI PENYUSUN HUTAN DI STASIUN PENELITIAN LALUT BIRAI, TAMAN NASIONAL KAYAN MENTARANG, KALIMANTAN UTARA Bayu Arief Pratama; Ismail Apandi; Sutikno Sutikno; Supardi Jakalalana; Muhamad Syarifudin Hidayatullah; Tika Dewi Atikah
BERITA BIOLOGI Vol 21, No 3 (2021): Berita Biologi
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v21i3.4143

Abstract

Taman Nasional Kayan Mentarang (TNKM) merupakan salah satu kawasan konservasi terluas di Kalimantan yang terletak di Kabupaten Malinau dan Kabupaten Nunukan, Provinsi Kalimantan Utara. Topografi kawasan yang cukup beragam turut berpengaruh terhadap tipe hutan, kondisi habitat, dan distribusi jenis di kawasan ini. Komposisi dan struktur tegakan hutan diamati dengan menggunakan enam petak ukur 30 × 30 m. Pengukuran dilakukan pada semua tegakan dengan diameter setinggi dada ≥ 4,8 cm. Analisa rutin (C, N, P dan pH) dilakukan pada contoh tanah dari petak ukur. Hasil pengamatan mencatat 578 individu yang terdiri dari 85 jenis dari 37 suku, dengan Parashorea smythiesii dan Dryobalanops oblongifolia merupakan jenis dominan. Nilai indeks keanekaragaman berkisar 1,95−3,08 dan indeks kemerataan 0,63−0,89. Frekuensi distribusi didominasi oleh kelas diameter kecil dan menurun secara bertahap pada kelas diameter besar, yang menunjukkan proses regenerasi baik. Pengamatan pengaruh lingkungan terhadap distribusi tumbuhan menunjukkan bahwa pH dan kandungan nitrogen tanah menjadi faktor penentu. Diketahui D. oblongifolia menyenangi habitat dengan kandungan karbon tanah yang cukup rendah, dan P. smythiesii terdistribusi pada pH tanah cenderung sangat asam. Sedangkan, L. pusillus, Q. argentata, dan Baccaurea sumatrana menyenangi habitat dengan kandungan nitrogen yang cukup rendah.
ANALISIS MORFOLOGI DAN FILOGENETIK MOLEKULER ALGA HIJAU COCCOID YANG DIISOLASI DARI PULAU ENGGANO Debora Christin Purbani; Diah Radini Noerdjito; Ismu Purnaningsih; Yeni Yuliani; Danang Ambar Prabowo
BERITA BIOLOGI Vol 21, No 3 (2021): Berita Biologi
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v21i3.4215

Abstract

A combined of morphological characters and molecular approach, is important for evaluating the current classification of microalgae. Phylogenetic trees based on 18S rDNA gene sequence analysis provide useful tools to distinguish between inter- and intra-specific morphologically similar species of coccoid green algae. The aim of the study was to compare the morphological characters and conduct molecular analysis of coccoid green algae isolated from Enggano Island, located southwest of Sumatera, Indonesia. Coccoid green algae samples were collected from different sites at Enggano Island by using a simple random sampling. The single algae were isolated and transferred to IMK medium in flasks by using microcapillaries method. The morphological characteristics of green algae were observed under culture conditions using light microscopy and the phylogenetic positions of the isolated strains were defined according to the 18S rDNA gene sequences. According to homology search (BLAST) and phylogenetic tree analysis, four of the isolated coccoid green algae possessed high sequence similarity, ranging between 90-100%, to Chlorellavulgaris, Auxenochlorella protothecoides, Miractinium reisseri, and Micractinium balenophorum.
STATUS KESEHATAN TANAH PERTANIAN CABAI ORGANIK DAN KONVENSIONAL: TINJAUAN KELIMPAHAN POPULASI BAKTERI, ENZIM TANAH DAN POTENSI RHIZOBAKTERI SEBAGAI PEMACU PERTUMBUHAN TANAMAN (RPPT) Agung Adi Nugroho; Tirta Kumala Dewi; Risa Okiana Safitri; Sapto Nugroho Hadi; Entis Sutisna; Nani Mulyani; Sarjiya Antonius
BERITA BIOLOGI Vol 21, No 3 (2021): Berita Biologi
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v21i3.4202

Abstract

Cabai merupakan komoditas pertanian dengan nilai ekonomi cukup tinggi. Budidaya cabai konvensional cenderung menggunakan bahan agrokimia berlebihan yang dapat menimbulkan dampak negatif. Tujuan penelitian ini adalah membandingkan kesehatan tanah pada budidaya tanaman cabai organik dan konvesional berdasarkan parameter populasi bakteri RPPT dan aktivitas biokimia tanah serta mengidentifikasi potensi RPPT sebagai kandidat pupuk hayati. Populasi bakteri RPPT dan aktivitas biokimia tanah pertanian cabai organik lebih tinggi dibandingkan konvensional. Populasi bakteri RPPT tanah cabai organik meliputi total bakteri, bakteri pelarut P, penghasil IAA, proteolitik dan penambat N2 lebih tinggi yaitu berkisar 1,06 x 106 - 25,15 x 106 cfu/g dibandingkan tanah cabai konvensional 0,34 x 106 – 7,46 x 106 cfu/g. Aktivitas enzim tanah cabai organik seperti enzim fosfomonoesterase, urease dan respirasi yaitu 130,73 μg pNP g-1 jam-1; 165,65 µg N-NH4 g-1 jam-1; 0,14 CO2mg tanah/jam, secara berurutan. Aktivitas RPPT dari tanah cabai organik memiliki potensi pelarut P dan penghasil IAA yang cukup tinggi. Kandungan N tanah pertanian organik dan konvesional  tidak banyak berbeda, tetapi kandungan C dan P lebih tinggi pada tanah pertanian cabai organik, sedangkan kandungan K cenderung lebih rendah. Secara keseluruhan kesehatan tanah berdasarkan populasi bakteri, biokimia tanah dan sifat kimia tanah cabai organik lebih baik dibandingkan konvensional.
VARIASI MUSIMAN FITOPLANKTON DAN KUALITAS PERAIRAN PULAU KOTOK BESAR Dinda Rama Haribowo; Ahmad Zulfikar Wicaksono; Alfianur Azmi Muhammad; Firdaus Ramadhan; Alfan Farhan Rijaluddin; Yayan Mardiansyah Assuyuti
BERITA BIOLOGI Vol 21, No 3 (2021): Berita Biologi
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v21i3.3997

Abstract

Fitoplankton dipengaruhi kondisi lingkungannya seperti kimia-fisik, nutrien perairan dan musim. Tujuan  penelitian untuk menganalisa struktur komunitas dan kelimpahan fitoplankton di pulau Kotok Besar pada musim kemarau dan hujan sebagai bioindikator kualitas perairan. Penentuan titik menggunakan purposive sampling di tiga stasiun kemudian sampel diambil dengan metode filtrasi. Berdasarkan KepMen LH No. 51 tahun 2004 suhu, TDS dan pH pulau Kotok Besar di kedua musim berada di dalam baku mutu tetapi nilai pH di musim kemarau lebih tinggi dari baku mutu. Struktur komunitas fitoplankton pada kedua musim menunjukkan perairan yang subur (eutrofik) didominansi oleh Bacillariophyceae. Nilai keanekeragaman (H’), kemerataan (E), dan dominansi (D) pada musim kemarau masing-masing 2,37; 0,82 dan 0,3 sedangkan musim hujan masing-masing 1,44; 0,63 dan 0,05. Indeks saprobik pada musim kemarau dan hujan yaitu 1 dengan status nutrien β-mesosaprobik.
EVALUATION ON FOXTAIL MILLET (Setaria italica L.) RESPONSES TO DIFFERENT LIGHT INTENSITIES AND FERTILIZATIONS Titi Juhaeti; Adisyahputra Adisyahputra; Nuril Hidayati; Rianti Florina
BERITA BIOLOGI Vol 21, No 3 (2021): Berita Biologi
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v21i3.4233

Abstract

Foxtail millet is high nutritional minor cereal potentially for food diversification. The cultivation expected can be expanded to other marginal areas, such as shading areas in the garden or yard. The research aimed to study the response of foxtail millet growth and production at various shading intensities and fertilization. The experimnental design was a RCBD with two factors. The first factor was shading intensity (0. 25, 50, and 75%), while the second was NPK fertilization (0, 2, and 4 g/pot). The variable observed were vegetative phased, generative, chlorophyll content (CC), and leaf area ratio (LAR). The results showed that shading intensity had a significant effect on all variables observed. The highest plant growth and production achieved at 0% shading intensity (total panicle dry weight 12.31g/plant). The highest both of CC (3.25 SPAD) and LAR were on 75% shading (263.17). Fertilization has no significant effect on the growth and production. There was an interaction between shading treatment and fertilization on chlorophyll b content, and the highest was on the combination of 50% shading and 2g/pot (1.04 mg/g) fertilization. The optimum growth and production achieved at 0% shade. The total panicle dry weight decreased with increasing shade, but at 25% shade, the percentage decreased < 50% (44.27%). It is expected that foxtail millet can be cultivated in areas up to 25% shading intensity.

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