This study aims to investigate the environmental hostility contingencies on the relationship between knowledge management strategy and firm performance. Knowledge management strategies are classified into two dimensions: Codification and Personalization. These studies cover the 192 completed and usable questionnaires were received from respondents which comprises of large size Indonesian manufacturing firms. The result via smartPLS revealed that knowledge management strategies positively and significantly influence the Indonesian manufacturing firm’s performance. Other findings display that environmental turbulences has only the contingency effect (the moderating effect) on the relationship between knowledge management strategy and manufacturing firm performance. Based on findings, the implications and future research also be discussed in this paper.

OLSR is a proactive routing protocol for mobile ad hoc networks (MANETs). OLSR uses a concept of MPR selection mechanism to reduce broadcast packets during a flooding process. MPR nodes use more energy than nonMPR nodes. Thus they easily run out their energy since mobile nodes in MANETs are powered by battery with limited energy. This paper proposes a residual energy-based OLSR protocol named REOLSR2. The REOLSR2 selects MPR nodes based on not only reachability and degree but also residual energy of 1-hop neighbors. The aim is to avoid selecting MPR nodes which has small residual energy and concentrating energy consumption in specific nodes. Simulation results show that the proposed scheme reduces energy consumption and enhances network throughput efficiently.

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Peternakan adalah salah satu sektor yang berkontribusi dalam peningkatan pemanasan global yang berasal dari kotoran dan ekstraksi hewan. Sektor peternakan menyumbang gas metana (CH 4), dinitrogen oksida (N 2 O), karbon dioksida (CO 2), dan amonia yang dapat menimbulkan hujan asam. Tujuan penelitian adalah untuk mengetahui sumbangan emisi Gas Rumah Kaca (GRK) dari sektor peternakan tahun 2016 di provinsi Sulawesi Tengah. Penelitian kajian ini mengunakan metodenya survei lapang dan study literatur untuk memperoleh data sekunder serta data primer tentang populasi ternak di provinsi Sulawesi Tengah yang selanjutnya data ditabulasi dengan mengunakan Sofware ALU Tool untuk menghitung emisi GRK dari sektor peternakan. Data yang digunakan yaitu data populasi ternak dan nilai Faktor Emisi (FE) gas CH 4 dan N 2 O dari setiap jenis ternak. Hasil penelitian menujukkan bahwa provinsi Sulawesi Tengah memberikan sumbangan emisi GRK sebesar 633,178 CO2-e Gg/tahun. Kesimpulan dari kajian ini yaitu diantara semua jenis ternak, sapi potong merupakan kontributor utama dalam penyumbang emisi GRK dalam bentuk Fermentasi Enterik CH 4 483,9 (Gg CO 2 e) yaitu sebanyak 76,42%, diikuti oleh kambing dalam bentuk N 2 O sebesar 108,428 (Gg CO 2 e) atau setara dengan 17,12 %. Kata kunci: ALU tools, dinitrogen oksida (N 2 O), emisi, gas rumah kaca, metana (CH 4

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