“Inhibitors of Sporangia Formation of Phytophthora Capsici from Polygonum Capitatum: doi.org 10.26538 Tjnpr V2i7.10”. Tropical Journal of Natural Product Research , vol. 2, no. 7, July 2018, pp. 358-61, https://tjnpr.org/index.php/home/article/view/714.