I was at the queue for the Bourse de Commerce, it was weekend and crowded. And I just remember I can buy e-ticket from Traveloka, and I just bought it immediately and I skipped the queue line and straight to entrance. Voila!
Traveloka Sdn Bhd (Registration No. 201501003122), Level 14 Tower 2, Menara Kembar Bank Rakyat, 33 Jalan Rakyat Brickfields, 50470 Kuala Lumpur, Malaysia