Ethical Statement

Ethical Statement

Article Title

: Isotopic Characterization of Precipitation,

Ilflow

and

Outflow of

Lake Toba as a First Assessment of Lake Water

Names of

All

Authors: 1. Paston Sidauruk 2. Bungkus Pratikno

3. Evarista Ristin

Pujiindiyati

We hereby confirm that ^:

.

The article we have submitted

to

the

joumal for

review

is original,

has been

written

by the stated authors and has not been published elsewhere.

.

The article Is not currently being considered

for

publication by any

otherjournal

and

will

not be submitted

for

such review r,vhile under review by this

joumal.

. The article

contains

no libellous or

other

unlawfrrl

stateolents and does

not

contain any materials

that violate

any personal

or

proprietary

rights of any

other person or entity.

. We

_have obtained

written

permission

&orn copyright

owners

for

any excerpls

from

copyrighted works that are included and have credited the sources in my article.

Yq lenfl

, \-_-/ l&Llw U

-

Bungkus Pratikno Evarsta Ristin P.

ntoril Ethical Statement

lnilone$e

Article Title

: Isotopic Charactenzation of

Preeipitation,Inflow

and

Outflow of

Lake Toba as a First Assessment of Lake Water

Names of

All

Authors: 1. Paston Sidauruk 2. Bungkus Pratikno

3. Evarista Ristin

Pujiindiyati

We hereby confirm that ^:

.

The article we have submitted

to

the

joumal for review is criginal,

has been

written

by the stated authors and has not bsen published elsewhere.

.

The article Is not crurently being considered

for

publication

by

any other

journal

_and

will

not be su-bmitted

for

such review while under review by this

joumal.

. The article

contains

no libellous or

other

unlawfrrl

statements and does

not

contain any materials

that violate

any personal

or

proprietary

rights of any

other person or entity.

.

We have obtained

written

permission

from copyright

owners

for

any excerpts

from

copyrighted works

thatwe

included and have credited the sources in my article.

Yq l*rtt?

Author Signature(s)

.)Nlyw

Bungkus Pratikno Evarsta Ristin P.