Karno, Karno, Health Polytechnic of Surabaya, Indonesia

• Vol 1, No 3 (2017): July-September - ORIGINAL RESEARCH
  Effective Microorganism (EM) from Modified Bioinoculant to Increase Biogas Quantity
  Abstract  PDF

"HEALTH NOTIONS" ISSN: 2580-4936 (online version only), published by Humanistic Network for Science and Technology    

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