Geoffrey A. Cordell. (2018) ECOPHARMACOGNOSY WHY NATURAL PRODUCTS MATTER NOW AND FOR THE FUTURE. <i>Thai Bulletin of Pharmaceutical Science (TBPS)</i>, <i>13</i>(1(January-June)), 1-9.Geoffrey A. Cordell. "ECOPHARMACOGNOSY WHY NATURAL PRODUCTS MATTER NOW AND FOR THE FUTURE". Thai Bulletin of Pharmaceutical Science (TBPS) 13 (2018):1-9.Geoffrey A. Cordell. ECOPHARMACOGNOSY WHY NATURAL PRODUCTS MATTER NOW AND FOR THE FUTURE. Faculty of Pharmacy, Silpakorn University:ม.ป.ท. 2018.