Yulnafatmawita, -, and - Hermansah. “Chemical Characteristics of Soils Based on Toposequence under Wet Tropical Area in Bukit Sarasah Padang”. International Journal on Advanced Science, Engineering and Information Technology 6, no. 2 (March 3, 2016): 165–169. Accessed July 22, 2024. https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/666.