Preface Study of antibacteria potency from capsule of earth-worm extract (Lumbricus Rubellus) and tape-worm (Pheretima Aspergillum) circulated in markets toward bacteria of Escherichia Coli and Staphylococcus Aureus in accordance with ‘In Vitro’ - Kusumalelana, Leonard Azdarisha (Universitas Islam Bandung, 2016)