Suwinda, Rohmi, Warnita Warnita, Irawati Chaniago, and Zul Irfan. 2019. “Effect Inhibitor Packlobutrazol of Against Type and Summed Dominance Ratio (SDR) Weeds in Potato (Solanum Tuberosum L.) Plant”. International Journal of Environment, Agriculture and Biotechnology 4 (5). https://journal-repository.com/index.php/ijeab/article/view/1150.