Eka Budi Satria
(1), Indang Dewata
(2), Iswandi Umar
(3), Nurhasan Syah
(4), Linda Handayuni
(5), Evi Hasnita
(6)
(1)
Doctoral Program in Environmental Science, Graduate School, Universitas Negeri Padang, West Sumatra, Indonesia & Fort De Kock Bukittinggi University, West Sumatra, Indonesia, Indonesia,
(2)
Doctoral Program in Environmental Science, Graduate School, Universitas Negeri Padang, West Sumatra, Indonesia, Indonesia,
(3)
Doctoral Program in Environmental Science, Graduate School, Universitas Negeri Padang, West Sumatra, Indonesia & Department of Geography, Faculty of Social Sciences, Universitas Negeri Padang, West Sumatra, Indonesia , Indonesia,
(4)
Doctoral Program in Environmental Science, Graduate School, Universitas Negeri Padang, West Sumatra, Indonesia, Indonesia,
(5)
STIKES Dharma Landbouw Padang, West Sumatra, Indonesia, Indonesia,
(6)
Fort De Kock Bukittinggi University, West Sumatra, Indonesia, Indonesia
