id	keyword
al-561	text
al-561	clause
al-561	oath
al-561	engineers
al-561	language
al-561	present
al-561	oath text
al-561	grammar
al-561	bahasa
al-561	statement
al-561	setting
al-561	analysis
al-561	dec
al-561	journal
al-561	pengajarannya
al-561	volume