by Alfaro Ureña, Doralbis; Ortega A., Boris A.; Lozano Vásquez, Berta A.

by Miranda Barria, Rosa Yisela

by Atencio, Anayansi; Castillo, María; Frago, Marcos; Turner, Thais; Cedeño, Maritza

by Cortez, Gloribeth; Peralta, Paola; Tello, Elizabeth; Cedeño, Maritza

by Kumar Reddy, G. Pava; Mallikarjuna Rao, Kande V.

by Bernal Navarro, Juan Bautista

by García Vera, Germán; Barbosa-Chacón, Jorge Winston; Ordoñez Plata, Gabriel

by International Association for the Evaluation of Educational Achievement

by B. França, Caio M.; Loayza, Roxana; Roca, Yelin; Montaño Arias, Ana Maria; Tinajeros, Freddy; Loaiza, Jose R.; Takyar, Anshule; Gilman, Robert H.; Milleri, Matthew J.

by Luis, Mendoza

by Murillo, Danny; Herrera, Jeremias

by Montes Franceschi, Héctor; Armada, Manuel; Nabulsi, Samir

by Dicker, Daniel; Nguyen, Grant; Abate, Degu; Abate, Kalkidan Hassen; Abay, Solomon M; Abbafati, Cristiana; Abbasi, Nooshin; Abbastabar, Hedayat; Abd-Allah, Foad; Abdela, Jemal; Abdelalim, Ahmed; Abdel-Rahman, Omar; Abdi, Alireza; Abdollahpour, Ibrahim; Suliankatchi Abdulkader, Rizwan; Abdurahman, Ahmed Abdulahi; Abebe, Haftom Temesgen; Abebe, Molla; Abebe, Zegeye; Abebo, Teshome Abuka; Aboyans, Victor; Niguse Abraha, Haftom; Roba Abrham, Aklilu; Abu-Raddad, Laith Jamal; Abu-Rmeileh, Niveen ME; Kokou Accrombessi, Manfred Mario; Acharya, Pawan; Adebayo, Oladimeji M; Akinkunmi Adedeji, Isaac; Adedoyin, Rufus Adesoji; Adekanmbi, Victor; Adetokunboh, Olatunji O; Meressa Adhena, Beyene; Adhikari, Tara Ballav; Adib, Mina G; Kouablan Adou, Arsène; Adsuar, Jose C; Afarideh, Mohsen; Afshin, Ashkan; Agarwal, Gina; Aggarwal, Rakesh; Aghayan, Sargis Aghasi; Agrawal, Sutapa; Agrawal, Anurag; Ahmadi, Mehdi; Ahmadi, Alireza; Ahmadieh, Hamid; Cheikh brahim Ahmed, Mohamed Lemine; Ahmed, Sayem; Ahmed, Muktar Beshir; Aichour, Amani Nidhal; Aichour, Ibtihel; Eddine Aichour, Miloud Taki; Akanda, Ali S; Akbari, Mohammad Esmaeil; Akibu, Mohammed; Akinyemi, Rufus Olusola; Akinyemiju, Tomi; Akseer, Nadia; Alahdab, Fares; Al-Aly, Ziyad; Alam, Khurshid; Alebel, Animut; Aleman, Alicia V; Addis Alene, Kefyalew; Al-Eyadhy, Ayman; Ali, Raghib; Alijanzadeh, Mehran; Alizadeh-Navaei, Reza; Aljunid, Syed Mohamed; Alkerwi, Ala'a; Alla, Francois; Allebeck, Peter; Allen, Christine A; Alonso, Jordi; Al-Raddadi, Rajaa M; Alsharif, Ubai; Altirkawi, Khalid; Alvis-Guzman, Nelson; Amare, Azmeraw T; Amini, Erfan; Ammar, Walid; Amoako, Yaw Ampem; Anber, Nahla Hamed; Andrei, Catalina Liliana; Androudi, Sofia; Animut, Megbaru Debalkie; Anjomshoa, Mina; Zelalem Anlay, Degefaye; Ansari, Hossein; Ansariadi, Ansariadi; Ansha, Mustafa Geleto; T Antonio, Carl Abelardo; Yaw Appiah, Seth Christopher; Aremu, Olatunde; Abera Areri, Habtamu; Ärnlöv, Johan; Arora, Megha; Artaman, Al; Aryal, Krishna K; Asadi-Lari, Mohsen; Asayesh, Hamid; Tsegay Asfaw, Ephrem; Weldegebreal Asgedom, Solomon; Assadi, Reza; Ataro, Zerihun; Mehari Atey, Tesfay Mehari; Shamsadin Athari, Seyyed; Atique, Suleman; Atre, Sachin R; Atteraya, Madhu Sudhan; Attia, Engi F; Ausloos, Marcel; Avila-Burgos, Leticia; Avokpaho, Euripide FGA; Awasthi, Ashish; Awuah, Baffour; Ayala Quintanilla, Beatriz Paulina; Ayele, Henok Tadesse; Ayele, Yohanes; Ayer, Rakesh; Ayuk, Tambe B; Azzopardi, Peter S; Azzopardi-Muscat, Natasha; Badali, Hamid; Badawi, Alaa; Balakrishnan, Kalpana; Bali, Ayele Geleto; Banach, Maciej; Banstola, Amrit; Barac, Aleksandra; Barboza, Miguel A; Barquera, Simon; Barrero, Lope H; Basaleem, Huda; Bassat, Quique; Basu, Arindam; Basu, Sanjay; Baune, Bernhard T; Bazargan-Hejazi, Shahrzad; Bedi, Neeraj; Beghi, Ettore; Behzadifar, Masoud; Behzadifar, Meysam; Bejot, Yannick; Begashaw Bekele, Bayu; Belachew, Abate Bekele; Gebreyesus Belay, Aregawi; Belay, Ezra; Belay, Saba Abraham

by Gómez, Martha; Batista, Oriana

by Cruz, Edmanuel; Rangel, José Carlos; Gomez Donoso, Francisco; Cazorla, Miguel

by Mora, Dafni; De Simone, Marilena; Fajilla, Gianmarco; Fábrega, José

by Pinzón Trejos, Cristian; Beliz, Nicholas; Rangel, José Carlos; Hong, chi Shun

by Villarreal, Vladimir; Bravo, José; Hervás, Ramón

by Pinzón Trejos, Cristian; Navarro, Martí; Bajo, Javier

by Eastwood, Gillian; Loaiza, Jose R.; Pongsiri, Montira J.; Sanjur, Oris I.; Pecor, James E.; Auguste, Albert J.; Kramer, Laura D.