A PHP Error was encountered

Severity: Notice

Message: Undefined offset: 1

Filename: controllers/Document.php

Line Number: 69

Backtrace:

File: /home/rama/public_html/application/controllers/Document.php
Line: 69
Function: _error_handler

File: /home/rama/public_html/index.php
Line: 296
Function: require_once

@thesis{thesis, author={Costance Sinclair }, title ={Buku Saku Kebidanan}, year={2020}, url={}, abstract={} }