karakteristik umum ikan air tawar konsumsi, gambaran umum pemijahan ikan air tawar alami dan buatan, membibitkan ikan air tawar konsumsi (bawal, lele, patin, gurami, tawes, mas, nila, dan sebagainy…
The thirteenth edition has been thoroughly revised and updated to reflect the latest theoretical work in the field and the latest statistical data, as well as recent events. Among the new editions …