Efendi, Yarsi, Biology Education Study Programme, Faculty of Teacher Training and Education, Universitas Riau Kepulauan Batam Indonesia, Indonesia

• Vol 11, No 3: Jurnal Pembelajaran Dan Biologi Nukleus September 2025 - Articles
  Exploration of Community Structure and Density of Sea Cucumbers (Holothuroidea) in the Tropical Waters of Abang Island, Batam
  Abstract  PDF