Syamsidar, Syamsidar, Jono M Munandar, Eko Ruddy Cahyadi, and Aprilia Kusumastuti. 2019. “Strategy of Avian Influenza Vaccine Development As a Step to Control”. Indonesian Journal of Business and Entrepreneurship (IJBE) 5 (1), 1. https://doi.org/10.17358/ijbe.5.1.1.