The symbiotic relationship between hermatypic corals and zooxanthellae determines the productivity and resilience of coral reef ecosystems. Changes in water quality due to anthropogenic pressures may affect the density of zooxanthellae as the primary coral symbionts. This study aimed to analyze the density of zooxanthellae in branching corals and examine its relationship with the physico-chemic…
Mathematical comprehension is a crucial skill for students in physics, particularly in kinematics, as it is essential for understanding other physics concepts and the many applications of mathematics. This study aims to describe the percentage of students' mathematical comprehension skills in solving one-dimensional kinematics problems. This study used a descriptive quantitative research method…
Holothuria atra, Culcita novaeguineae, and Glauconome virens are marine invertebrates that have potential as sources of collagen and bioactive compounds, including natural antioxidants. The utilization of collagen from marine organisms serves as an alternative to collagen derived from terrestrial animals, which has limitations in terms of religious concerns and disease risks. This study aimed t…
The rapid growth of digital technology has driven innovations in the beauty industry, one of which is the Soco by Sociolla platform that provides online product reviews. The large number of user reviews on the Soco platform provides an opportunity to analyze sentiment in order to understand perceptions of services and products. This study aims to analyze user sentiments on Soco by Sociolla revi…
Emotional regulation is an individual's ability to recognize, manage, and express emotions appropriately so they can adapt to various situations they face. This ability is important for students because during adolescence, various emotional changes often occur that can affect behavior and social relationships. This research is motivated by the continued difficulty in managing emotions, such as …
This study aims to analyze the comparison of output power of a Thermoelectric Generator (TEG) using two cooling systems, namely a heatsink and a perforated Aluminium Composite Panel (ACP), utilizing heat from an electric iron as the energy source. The method involved designing two identical TEG prototypes using four SP1848 modules connected in series, differing only in the cooling system on the…
Dye-Sensitized Solar Cell (DSSC) is a third-generation solar cell technology with low cost and environmentally friendly characteristics. Its performance is strongly influenced by the type of sensitizer, where natural dyes such as anthocyanins, curcuminoids, and flavonoids show potential as alternatives to synthetic dyes, although their efficiency remains low when used individually. This study a…
This study was motivated by the low level of self-control among students, as evidenced by impulsive behavior, difficulty controlling emotions, and violations of school rules. This study aims to determine the effectiveness of group counseling using role-playing techniques in improving self-control among eighth-grade students at SMP Negeri 1 Sungai Pinang. This study employs a quantitative approa…
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Buku ini membahas secara komprehensif mengenai seluk beluk surat berharga di Indonesia mulai dari penggolongan dan bentuk surat berharga, surat perintah bayar, bilyet giro dll.
Apa pun kontroversi yang muncul, fakta saat ini adalah UUD 1945 sudah diamandemen satu kali yang pengesahannya dilakukan dalam empat tahap; dan setelah UUD 1945 diamandeman ternyata banyak muncul masalah yang memerlukan jawaban sebagai produk analisis dari optik Hukum Tata Negara dan Ilmu Konstitusi.