[1]
.-. Yulnafatmawita and .-. Hermansah, “Chemical Characteristics of Soils Based on Toposequence under Wet Tropical Area in Bukit Sarasah Padang”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 6, no. 2, pp. 165–169, Mar. 2016.