Supplementation of duckweed diet and citric acid on growth performance, feed utilization, digestibility and phosphorus utilization of TGGG hybrid grouper (Epinephelus fuscoguttatus x Epinephelus lanceolatus) juvenile. - Anthonius, Christine; Seok Kian Yong, Annita; Ching Fui Fui (Songklanakarin Journal of Science & Technology, 2018)