Pimentel hopes for more unified opposition

by Cayabyab, Marc Jayson
Published in Philippine Star (2023)

Senate minority bloc will not be obstructionist - Koko

by Casayuran, Mario B.
Published in Manila Bulletin (2022)

Pimentel, Hontiveros confirm 'forming' Senate minority bloc

by Torregoza, Hannah L.
Published in Manila Bulletin (2022)

.Senate Minority won't be obstructionists - Koko

by Casayuran, Mario B.
Published in Manila Bulletin (2022)

'Change in Senate lead from Koko to Tito inevitable'. IN News [column]

by Araneta, Macon Ramos
Published in Manila Standard (2018)

Senate revamp. IN Cover [column] Sotto takes over

by Araneta, Macon Ramos
Published in Manila Standard (2018)

'No overnight coup vs Koko'

by Sy, Marvin
Published in Philippine Star (2018)

Pimentel willing to vacate Senate presidency at earlier time

by Terrazola, Vanne Elaine P.
Published in Manila Bulletin (2018)

Hail to the Senate chief. IN Commonsense [column]

by Villanueva, Marichu A.
Published in Philippine Star (2018)

Revamp clears Senate lines, will help majority achieve agenda--Pimentel

by Casayuran, Mario B.
Published in Manila Bulletin (2017)