H. Siregar, Sofyan, Indonesia

• Vol 5 (2018): Edisi 2 Juli s/d Desember 2018 - Ilmu Kelautan
  RELATIONSHIP OF TOTAL OIL CONTENT WITH EPIPELIC DIATOMS ABUDANCE IN INTERTIDAL SEDIMENT IN THE WATER OF KUALA TANJUNG BATUBARA DISTRICT NORTH SUMATERA PROVINCE
  Abstract  PDF
• Vol 5 (2018): Edisi 2 Juli s/d Desember 2018 - Ilmu Kelautan
  NITRAT CONTENT, PHOSPHATE, SILICATE AND ABUNDANCE OF PLANKTONIK DIATOM IN THE RUPAT OF BENGKALIS REGENCY OF RIAU PROVINCE
  Abstract  PDF
• Vol 5 (2018): Edisi 2 Juli s/d Desember 2018 - Ilmu Kelautan
  MORPHOMETRIC SIPUT SEDOT (Cerithidea cingulata) AND SIPUT PINANG (Littoraria melanostoma) IN MANGROVE ECOSYSTEM AT INDUSTRIAL AND NON INDUSTRIES AREAS OF SUNGAI SEMBILAN DISTRICT DUMAI CITY, RIAU PROVINCE
  Abstract  PDF