@base . a , , ; , , ; "ASEAN journal on science & technology for development." ; ; ; ; "0217-5460" ; ; ; "0217-5460" ; ; "0217-5460" ; "ASEAN journal on science & technology for development." , "ASEAN journal on science & technology for development" ; . . a ; "0217-5460" ; . a ; ; "20181003142000.0"^^ ; ; . a , ; "ASEAN journal on science & technology for development" . a . a ; "0217-5460" ; . a ; .