[1] At the Pontifical Antonianum University he received his doctorate in theology in 1945 with a thesis on the history of the Trebinje-Mrkan Diocese (De dioecese tribuniensi et mercanensi).

At the Roman State University (La Sapienza), Department of Islamic Sciences (Arabic, Persian and Turkish), he earned his doctorate in philosophy in 1951.

[1][3][7] He wanted to do research in the Ottoman archives in Istanbul on the history of Bosnia, Herzegovina, Dalmatia and Dubrovnik.

Besides in his homeland, Bosnia and Herzegovina, Pandžić's works are published internationally, in various countries including Vatican City, Italy, Croatia, Spain, Argentina, United States, Germany, France, Switzerland, Austria and Poland.

For the study of the history of missions within the series Historia missionum Ordinis Fratrum Minorum he was responsible for the 4th Volume: Regiones Proximi Orientis et Paeninsulae Balcanicae in 1974.

He issued three so-called "positions" (positiones), i.e., historical-critical editions of the life and work of individuals to be canonized.

Another positio in 1970 brought forth critical source material about the life of Beatrice de Silva, of Spanish origin.

He published several works, including the three-volume Acta Franciscana Hercegovinae in 2003 and 2009, and Herzegovinian Franciscans: Seven centuries with the people in 2001.